MAT101 Case 4 Answer Template

Name:

Date:

Instructor:

Use this template to insert your answers for the assignment. Please use one of the four methods for showing your work (EE, Math Type, ALT keys, or neatly typed). Remember that your work should be clear and legible.

1. What are the 3 methods for solving systems of equations? Which one do you prefer and why?

Answer: ______________________________________________________

Preference/reason: _____________________________________________

2. Describe a consistent system.

Answer: ______________________________________________________

3. Describe an inconsistent system.

Answer: ______________________________________________________

4. Describe a dependent system.

Answer: ______________________________________________________

Go to ‘insert’ and ‘shapes’. Choose the circles for the points and the lines to connect the dots. Use the arrows to represent the shading.

For example:

Solve the following systems of equations using the graphing method.

What type of system is it? Name the solution if there is one.

5.

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Calculations:

Answer: _________________________________________________

6.

Calculations:

Answer: _________________________________________________

7.

Calculations:

Answer: _________________________________________________

8.

Calculations:

Answer: _________________________________________________

Solve the following systems of equations using the substitution method.

What type of system is it? Name the solution if there is one.

9.

Calculations:

Answer: _______________

10.

Calculations:

Answer: _______________

11.

Calculations:

Answer: _______________

12.

Calculations:

Answer: _______________

Solve the following systems of equations using the addition (elimination) method.

What type of system is it? Name the solution if there is one.

13.

Calculations:

Answer: _______________

14.

Calculations:

Answer: _______________

15.

Calculations:

Answer: _______________

16.

Calculations:

Answer: _______________

Solve the following systems of inequalities using the graphing method.

Shade the solution set.

MAT101 SLP 4 Answer Template

Name:

Date:

Instructor:

Use this template to insert your answers for the assignment. Please use one of the four methods for showing your work (EE, Math Type, ALT keys, or neatly typed). Remember that your work should be clear and legible.

Write the final answer in the terms being asked such as dollars/cents, degrees, tickets, etc.

1. Describe the three types of solutions systems of equations have when graphed.

Answer: __________________________________________________________

2. The sum of two numbers is 30 and their difference is 2. Find the two numbers by writing and solving a system of equations.

Calculations:

Answer: _______________

3. Two apples and three pears cost $3.45. Three apples and five pears cost $5.55. Find the cost of each type of fruit.

Calculations:

Answer: _______________

4. Mary has a total of $5000 invested in two accounts. One account pays 5% and the other 8%. Her interest in the first year was $331. Write and solve a system of equations to find out how much she has invested in both accounts.

Calculations:

Answer: _______________

5. Terry is mailing two boxes. Together they weigh 21 lbs. If the smaller box is 5 lbs. less than the larger one, how much does each box weigh? Write and solve an equation that models this scenario.

Calculations:

Answer: _______________

6. The length of a pool is 3 feet more than twice its width. If the perimeter of the pool is 72 feet, find the dimensions of the pool by writing and solving a system of equations.

Calculations:

Answer: _______________

7. A desk and a chair cost $200 as a set. If the desk costs four times more than the chair, how much does each one cost. Write and solve using a system of equations.

Calculations:

Answer: _______________

8. Rachel has 15 coins with a value of $2.85. If the coins are either dimes or quarters, how many of each coin does she have? Write and solve using a system of equations.

Calculations:

Answer: _______________

9. A music concert was attended by 450 people. Adult tickets sold for $70 and children’s tickets for $40. If total sales were $27,750, how much of each ticket was sold?

Calculations:

Answer: _______________

10. A party planner can spend a maximum of $5000 on food. If the chicken dinner (x) costs $20 and the steak dinner (y) costs $25, make a graph of the region that shows the possibilities for the number of chicken and steak dinners that can be purchased while still staying within budget. Shade the solution set.