1/14/14 2.3 Homework (Quadratic Equations)
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Online Homework System Assignment Worksheet
1/14/14 - 10:05 AM
Name: ____________________________ Class: Post University - College Algebra
(MAT120.37, MOD 3) (1qaq3b2)
Class #: ____________________________ Section #: ____________________________
Instructor:Maple T.A. Administrator Assignment:2.3 Homework (Quadratic Equations)
Question 1: (1 point)
Solve by factoring.
If there are multiple solutions, separate the answers with semicolons (;).
__________
Question 2: (1 point)
Solve by factoring.
If there are multiple solutions, separate the answers with semicolons (;).
__________
Question 3: (1 point)
Find the discriminant and identify the best description of the equation's root(s).
(a)1 real and 1 complex root
= 3x+18x2
x =
6 +13x = 5x2
x =
+5 = x−2x2 7√
1/14/14 2.3 Homework (Quadratic Equations)
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(b) 2 complex solutions
(c) 1 complex solution
(d) 1 real solution
(e) 2 real solutions
Question 4: (1 point)
At a tennis club, a 15,000 ft2 rectangular area is partitioned into three rectangular courts of equal size. A total of 800
feet of fencing is used to enclose the three courts, including the interior sides.
What are the possible dimensions, in feet, of the entire rectangular area?
Select all that apply.
(a) feet by feet
(b) feet by feet
(c) feet by feet
(d) feet by feet
feet by feet
25 600
100 150
100 50
100 300
300 50
1/14/14 2.3 Homework (Quadratic Equations)
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(e)
Question 5: (1 point)
A ladder of length 2x+1 feet is positioned against a wall such that the bottom is x−1 feet away from a wall. The distance
between the floor and the top of the ladder is 2x feet.
Find the length, in feet, of the ladder.
The length of the ladder is ____________feet.
Assume that a right angle is formed by the wall and the floor.
Question 6: (1 point)
A small rock sits on the edge of a tall building. A strong wind blows the rock off the edge. The distance, in feet, between
the rock and the ground seconds after the rock leaves the edge is given by
How many seconds after the rock leaves the edge is it feet from the ground?
If the answer is not an integer, enter it as a decimal. Round to the nearest hundredth, if needed.
____________ seconds
How many seconds after the rock leaves the edge does it hit the ground?
If the answer is not an integer, enter it as a decimal. Round to the nearest hundredth, if needed.
____________ seconds
t d = −16 − 4t + 472.t2
460
1/14/14 1.5 Homework (Factoring)
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Online Homework System Assignment Worksheet
1/14/14 - 10:04 AM
Name: ____________________________ Class: Post University - College Algebra
(MAT120.37, MOD 3) (1qaq3b2)
Class #: ____________________________ Section #: ____________________________
Instructor:Maple T.A. Administrator Assignment:1.5 Homework (Factoring)
Question 1: (1 point)
Factor completely.
(a)
(b)
(c)The expression cannot be factored
(d)
(e)
Question 2: (1 point)
Factor completely.
Enter the factors. Enter the original expression if it cannot be factored.
=
Question 3: (1 point)
Factor completely.
16 + 4 − 12 a − 4 aa3b2 a2b2 b3 b2
4 (4 a − 3 b)a2b2
4 (4 − 3 b)ab2 a2
16 (1 + 4 − 12 − 4 )a3b2 a2b2 ab3 ab2
4 (4 + a − 3 b − 1)ab2 a2
6 (2 − y) − 8 (2 − y) + 4x (y − 2)x3 x2
6 (2 − y) − 8 (2 − y) + 4x (y − 2)x3 x2
2 + 3 − 4y − 63 2
1/14/14 1.5 Homework (Factoring)
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Enter the factors as a product of two binomials. Enter the original expression if it cannot be factored.
=
Question 4: (1 point)
Factor completely.
Enter the factors as a product of two binomials. Enter the original expression if it cannot be factored.
=
Question 5: (1 point)
Factor completely.
Enter the factors as a product of two binomials. Enter the original expression if it cannot be factored.
=
Question 6: (1 point)
2 + 3 − 4y − 6y3 y2
2 + 3 − 4y − 6y3 y2
−9z+20z2
−9z+20z2
−18m−40m2
−18m−40m2
1/14/14 1.5 Homework (Factoring)
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Factor completely.
Enter the factors as a product of two binomials. Enter the original expression if it cannot be factored.
=
Question 7: (1 point)
Factor completely.
Enter the factors as a product of two binomials. Enter the original expression if it cannot be factored.
=
Question 8: (1 point)
Factor completely.
Enter the factors. Enter the original expression if it cannot be factored.
=
2 +11x−6x2
2 +11x−6x2
3 −8 z+5y4 y2 z2
3 −8 z+5y4 y2 z2
40 −70x + 15x2
40 −70x + 15x2
1/14/14 1.5 Homework (Factoring)
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Question 9: (1 point)
Factor completely.
Enter the factors. Enter the original expression if it cannot be factored.
=
Question 10: (1 point)
Factor completely.
Enter the factors. Enter the original expression if it cannot be factored.
=
Question 11: (1 point)
Factor completely.
Enter the factors as a product of two binomials. Enter the original expression if it cannot be factored.
=
25 + 30x + 9x2
25 + 30x + 9x2
16 − 72xy + 81x2 y2
16 − 72xy + 81x2 y2
121 −m2 n6
121 −m2 n6
1/14/14 1.5 Homework (Factoring)
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Question 12: (1 point)
Factor completely.
Enter the factors. Enter the original expression if it cannot be factored.
=
Question 13: (1 point)
Factor completely.
Enter the factors. Enter the original expression if it cannot be factored.
=
Question 14: (1 point)
Factor completely.
Enter the factors. Enter the original expression if it cannot be factored.
=
216 + 1x3
216 + 1x3
64 − 27t3
64 − 27t3
− 125s6t3 u12
− 125s6t3 u12
1/14/14 1.5 Homework (Factoring)
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Question 15: (1 point)
Factor.
(a)
(b)
(c)
(d)
(e)
(f) The expression cannot be factored.
(g)
+(2r − 3s)3 t9
((2r − 3s) + )( − (2r − 3s) t + )t3 (2r − 3s)2 t6
((2r − 3s) − )( + (2r − 3s) + )t3 (2r − 3s)2 t3 t6
((2r − 3s) + )( − (2r − 3s) + )t3 (2r − 3s)2 t3 t6
((2r − 3s) − )( − (2r − 3s) − )t3 (2r − 3s)2 t3 t6
((2r − 3s) − )( − (2r − 3s) + )t3 (2r − 3s)2 t3 t6
((2r − 3s) + )( − (2r − 3s) − )t3 (2r − 3s)2 t3 t6
1/14/14 1.4 Homework (Polynomials)
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Online Homework System Assignment Worksheet
1/14/14 - 9:28 AM
Name: ____________________________ Class: Post University - College Algebra
(MAT120.37, MOD 3) (1qaq3b2)
Class #: ____________________________ Section #: ____________________________
Instructor:Maple T.A. Administrator Assignment:1.4 Homework (Polynomials)
Question 1: (1 point)
Write the polynomial in standard form, identify the degree of the polynomial, identify the leading coefficient, and then
classify it according to its degree and number of terms.
(a)
Write the polynomial in standard form.
(a)
(b)
(c)
(d)
(e)
(f)
(b)
The degree of the polynomial is ____________.
The leading coefficient is ____________.
This polynomial is a __________ __________.
3 − 8x − 5 + 6x2 x3
6−5 +3 − 8xx3 x2
−5 − 8x+3 + 6x3 x2
−5 +3 + 6 − 8xx3 x2
−5 +3 − 8x + 6x3 x2
3 −5 − 8x + 6x2 x3
6 − 8x−5 +3x3 x2
1/14/14 1.4 Homework (Polynomials)
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Question 2: (1 point)
Simplify.
Enter the expression in simplest form.
=
Question 3: (1 point)
Simplify.
Enter the expression in simplest form.
=
Question 4: (1 point)
Simplify.
Enter the expression in simplest form.
=
(2 + (5a + 6) − ) − (7a − (6 − 2 + 5a) − 4(a + 6))a4 a2 a3 a2
(2 + (5a + 6) − ) − (7a − (6 − 2 + 5a) − 4(a + 6))a4 a2 a3 a2
(4 − 5) (3 + 7)x2 x2
(4 − 5) (3 + 7)x2 x2
(x + 3) ( + 2x + 4 + x)x2
(x + 3) ( + 2x + 4 + x)x2
1/14/14 1.4 Homework (Polynomials)
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Question 5: (1 point)
Simplify.
Enter the expression in simplest form.
=
Question 6: (1 point)
Simplify.
Enter the expression in simplest form.
Question 7: (1 point)
Simplify.
(a)
(b)
(c)
(2 + 3xy − 5 )x2 y 2 2
(2 + 3xy − 5 )x2 y 2 2
(4 x − 3 y)2
( p − 2 )5√ r 4 3
5 + 30 − 12 p + 85√ p3 p2 r 4 5√ r 8 r 12
5 − 30 − 12 p − 85√ p3 p2 r 4 5√ r 8 r 12
5 − 30 p − 12 p − 85√ p3 r 4 5√ r 8 r 12
5 − 30 + 12 p − 83 2 4 8 12
1/14/14 1.4 Homework (Polynomials)
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(d) 5 − 30 + 12 p − 85√ p 3 p2 r 4 5√ r 8 r 12
1/14/14 Unit 2 Exam
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Online Homework System Assignment Worksheet
1/14/14 - 10:11 AM
Name: ____________________________ Class: Post University - College Algebra
(MAT120.37, MOD 3) (1qaq3b2)
Class #: ____________________________ Section #: ____________________________
Instructor:Maple T.A. Administrator Assignment:Unit 2 Exam
Question 1: (1 point)
Write the polynomial in standard form, identify the degree of the polynomial, identify the leading coefficient, and then
classify it according to its degree and number of terms.
(a)
Write the polynomial in standard form.
(a)
(b)
(c)
(d)
(b)
The degree of the polynomial is ____________.
The leading coefficient is ____________.
This polynomial is a __________ __________.
Question 2: (1 point)
Simplify.
−2b2
−2 + + 1b2 b
−2 +b2 b
−2 + b2
−2b2
(7 + (3a + 6) − ) − (7a − (4 − 6 + 5a) − 5(a + 6))a4 a2 a3 a2
1/14/14 Unit 2 Exam
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Enter the expression in simplest form.
=
Question 3: (1 point)
Simplify.
Enter the expression in simplest form.
=
Question 4: (1 point)
Simplify.
Enter the expression in simplest form.
=
Question 5: (1 point)
Simplify.
(7 + (3a + 6) − ) − (7a − (4 − 6 + 5a) − 5(a + 6))a4 a2 a3 a2
(5 − 7) (6 + 2)x2 x2
(5 − 7) (6 + 2)x2 x2
(5 + 3pq − 6 )p2 q22
(5 + 3pq − 6 )p2 q22
3
1/14/14 Unit 2 Exam
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(a)
(b)
(c)
(d)
Question 6: (1 point)
Factor completely.
Enter the factors. Enter the original expression if it cannot be factored.
=
Question 7: (1 point)
Factor completely .
Enter the factors as a product of two binomials. Enter the original expression if it cannot be factored.
=
( z − 8 )2√ P 2 3
2 − 48 + 192 z − 5122√ z3 z2 P 2 2√ P 4 P 6
2 − 48 − 192 z − 5122√ z3 z2 P 2 2√ P 4 P 6
2 − 48 z − 192 z − 5122√ z3 P 2 2√ P 4 P 6
2 − 48 − 192 z + 5122√ z3 z2 P 2 2√ P 4 P 6
15 (y + 5) − 30 (−5 − y) − 10x (y + 5)x3 x2
15 (y + 5) − 30 (−5 − y) − 10x (y + 5)x3 x2
4 + 3 − 32y − 24y3 y2
4 + 3 − 32y − 24y3 y2
1/14/14 Unit 2 Exam
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Question 8: (1 point)
Factor completely.
Enter the factors as a product of two binomials. Enter the original expression if it cannot be factored.
=
Question 9: (1 point)
Factor completely.
Enter the factors as a product of two binomials. Enter the original expression if it cannot be factored.
=
Question 10: (1 point)
Factor completely.
Enter the factors. Enter the original expression if it cannot be factored.
−3x−10x2
−3x−10x2
5 −31y−28y2
5 −31y−28y2
24 −34w + 12w2
24 −34w + 122
1/14/14 Unit 2 Exam
courses.thinkwell.com/courses/791/exercises/319515/take 5/9
=
Question 11: (1 point)
Factor completely.
Enter the factors. Enter the original expression if it cannot be factored.
=
Question 12: (1 point)
Factor completely.
Enter the factors. Enter the original expression if it cannot be factored.
=
Question 13: (1 point)
Factor completely.
Enter the factors as a product of two binomials. Enter the original expression if it cannot be factored.
24 −34w + 12w2
4 − 12y + 9y2
4 − 12y + 9y2
9 + 24st + 16s2 t2
9 + 24st + 16s2 t2
4 − 9p10 w2
4 − 910 2
1/14/14 Unit 2 Exam
courses.thinkwell.com/courses/791/exercises/319515/take 6/9
=
Question 14: (1 point)
Factor completely.
Enter the factors as a product of two binomials. Enter the original expression if it cannot be factored.
=
Question 15: (1 point)
Factor completely.
Enter the factors. Enter the original expression if it cannot be factored.
=
Question 16: (1 point)
Factor completely.
Enter the factors. Enter the original expression if it cannot be factored.
4 − 9p10 w2
4 + 9p10 w2
4 + 9p10 w2
125 − 27s3
125 − 27s3
125 − 8x3z6 y3
1/14/14 Unit 2 Exam
courses.thinkwell.com/courses/791/exercises/319515/take 7/9
=
Question 17: (1 point)
Solve.
If there are multiple solutions, separate the answers with semicolons (;).
__________
Question 18: (1 point)
Solve.
If there are multiple solutions, separate the answers with semicolons (;).
__________
Question 19: (1 point)
Find the discriminant and identify the best description of the equation's root(s).
(a) 1 real solution
(b)2 complex solutions
125 − 8x3z6 y3
= −3x+4x2
x =
6 +11x = 2x2
x =
2 −5 = −2xx2
1/14/14 Unit 2 Exam
courses.thinkwell.com/courses/791/exercises/319515/take 8/9
(c) 2 real solutions
(d) 1 complex solution
(e) 1 real and 1 complex root
Question 20: (1 point)
At a tennis club, a ft2 rectangular area is partitioned into three rectangular courts of equal size. A total of
feet of fencing is used to enclose the three courts, including the interior sides.
What are the possible dimensions, in feet, of the entire rectangular area?
Select all that apply.
(a) feet by feet
(b) feet by feet
(c) feet by feet
(d) feet by feet
(e) feet by feet
Question 21: (1 point)
16,500 860
330 50
25 660
110 150
50 165
100 165
1/14/14 Unit 2 Exam
courses.thinkwell.com/courses/791/exercises/319515/take 9/9
A ladder of length feet is positioned against a wall such that the bottom is feet away from a wall. The
distance between the floor and the top of the ladder is feet.
Find the length, in feet, of the ladder.
Assume that a right angle is formed by the wall and the floor.
The length of the ladder is ____________feet.
Question 22: (1 point)
A small rock sits on the edge of a tall building. A strong wind blows the rock off the edge. The distance, in feet, between
the rock and the ground seconds after the rock leaves the edge is given by
If the answer is not an integer, enter it as a decimal. Round to the nearest hundredth, if needed.
How many seconds after the rock leaves the edge is it feet from the ground?
____________ seconds
How many seconds after the rock leaves the edge does it hit the ground?
____________ seconds
2x + 2 x − 2 2x
t d = −16 − 8t + 500.t2
467
University of Phoenix
MyMathLab
· Week Two Pre-Test
· Week Two Post-Test (review)
· Click on Study Plan
· Click on Ch. 2
· Click on 2.1
· Click on “Quiz Me” in the upper right hand corner
· Click on 2.5
· Click on “Quiz Me” in the upper right hand corner
· Click on 2.6
· Click on “Quiz Me” In the upper right hand corner
· Week Two Post Test
Other Class
· See additional attachments
· Homework 1.4
· Homework 1.5
· Homework 2.3

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