College Math Placement Test College Math Placement Algebra 5

Question 1

Which expression is equivalent to (x + 3)²?

Accepted Answer

x² + 6x + 9

Answer

x² + 9

Answer

x² + 3x + 9

Answer

x² + 6x + 6

Question 2

Solve: √(2x + 1) = 5

Accepted Answer

x = 12

Answer

x = 13

Answer

x = 24

Answer

x = 8

Question 3

What is the domain of f(x) = 1/(x − 4)?

Accepted Answer

All real numbers except x = 4

Answer

All real numbers

Answer

All real numbers except x = −4

Answer

x > 4

Question 4

Which of the following is the solution to the system: y = 2x and y = x + 3?

Accepted Answer

(3, 6)

Answer

(1, 2)

Answer

(3, 3)

Answer

(6, 3)

Question 5

Factor: x³ − 8

Accepted Answer

(x − 2)(x² + 2x + 4)

Answer

(x − 2)(x² + 4)

Answer

(x + 2)(x² − 2x + 4)

Answer

(x − 2)³

Question 6

A line has a y-intercept of −3 and passes through (2, 1). What is its equation?

Accepted Answer

y = 2x − 3

Answer

y = x − 3

Answer

y = 3x − 3

Answer

y = 2x + 1

Question 7

Simplify: (3a²b)³

Accepted Answer

27a⁶b³

Answer

9a⁶b³

Answer

27a⁵b³

Answer

9a⁵b