Problem 1:

Write a roster description for:

P = {3n|n ∈ N}

Problem 2:

Perform the indicated operation and simplify. Write your final answer in scientific nota-

tion, rounded to two decimal places:

( 4.23 × 1023

)50 Problem 3:

Solve for the following equation:

x− 6 = 7x + 12

Problem 4:

Solve for the following inequality:

7 − 8x 3

≥ 4x + 2

Problem 5: Perform the indicated division. Check your answer by showing

dividend = (divisor)(quotient) + remainder

(6x2 − 1) ÷ (2x + 5)

Problem 6:

Solve for the following equation:

x2 = 3x− 2

Problem 7:

Solve for the following equation:

4x2 + 1

4 = −x

Problem 8:

Perform the indicated operation and simplify:

2t−3 − (5t)−1

Problem 9:

Perform the indicated operation and simplify:

3

y2 − 8y + 16 +

y − 1 16y −y3

Problem 10:

Rationalize the denominator: 1

√ x + 5 − 1

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