PARCC Algebra Practice Test 2

Question 1

Solve for x: 3(x - 4) = 2x + 5.

Accepted Answer

17

Answer

Distribute to get 3x - 12 = 2x + 5, then x = 17.

Question 2

What is the slope of the line passing through (2, 3) and (6, 11)?

Accepted Answer

2

Answer

Slope = (11 - 3)/(6 - 2) = 8/4 = 2.

Question 3

Factor completely: x² - 9.

Accepted Answer

(x - 3)(x + 3)

Answer

x² - 9 is a difference of squares equal to (x - 3)(x + 3).

Question 4

If f(x) = 2x² - 3x + 1, what is f(2)?

Accepted Answer

3

Answer

f(2) = 2(4) - 3(2) + 1 = 8 - 6 + 1 = 3.

Question 5

Solve the inequality: 4x - 7 > 9.

Accepted Answer

x > 4

Answer

Add 7 then divide by 4 to get x > 4.

PARCC Practice Test