Math Math Algebra and Functions 4

Question 1

If f(x) = 2x² - 3x + 1, what is f(-2)?

Accepted Answer

15

Answer

11

Answer

3

Answer

-1

Question 2

Which value of x satisfies |2x - 5| = 9?

Accepted Answer

x = 7 or x = -2

Answer

x = 7 only

Answer

x = -2 only

Answer

x = 4 or x = -7

Question 3

A line passes through (0, 4) and (3, -2). What is its slope?

Accepted Answer

-2

Answer

2

Answer

-1/2

Answer

1/2

Question 4

What are the solutions to x² - 5x - 14 = 0?

Accepted Answer

x = 7 and x = -2

Answer

x = -7 and x = 2

Answer

x = 7 and x = 2

Answer

x = -7 and x = -2

Question 5

If g(x) = 3x + 2 and h(x) = x - 4, what is g(h(x))?

Accepted Answer

3x - 10

Answer

3x - 2

Answer

3x + 6

Answer

3x - 12

Question 6

Which equation represents a line parallel to y = -3x + 7?

Accepted Answer

y = -3x - 1

Answer

y = 3x + 7

Answer

y = (1/3)x - 4

Answer

y = -3x + 7

Question 7

For what value of k does the system 2x + ky = 6 and 4x + 3y = 12 have infinitely many solutions?

Accepted Answer

k = 1.5

Answer

k = 3

Answer

k = 6

Answer

k = 0