College Math Placement Test College Algebra 5

Question 1

Which inequality represents the range of f(x) = -x² + 4x - 1?

Accepted Answer

y ≤ 3

Answer

y ≥ 3

Answer

y ≤ -1

Answer

y ≥ -1

Question 2

What value of k makes the system kx + 2y = 4 and 3x - y = 1 have infinitely many solutions?

Accepted Answer

-6

Answer

6

Answer

3

Answer

-3

Question 3

What is the product of the roots of 3x² - 7x + 2 = 0?

Accepted Answer

2/3

Answer

7/3

Answer

3/2

Answer

-7/3

Question 4

If f(x) = 5x - 2, what is f⁻¹(13)?

Accepted Answer

3

Answer

63

Answer

7

Answer

5

Question 5

Simplify: (x^(1/2) · x^(1/3)) / x^(1/6)

Accepted Answer

x^(2/3)

Answer

x^(1/6)

Answer

x

Answer

x^(7/6)

Question 6

A function f is even. If f(3) = 7, what is f(-3)?

Accepted Answer

7

Answer

-7

Answer

0

Answer

Cannot be determined

Question 7

What is the y-intercept of the exponential function f(x) = 4 · (1/2)^x?

Accepted Answer

4

Answer

1/2

Answer

2

Answer

8