Algebra Practice Final 1

Solve for x

3x + 8 - 5x = 12

• x = -2

• x = 1/2

• x = -10

• x = 2

• No solution

Solve for x

5x + 3 = 2x - 15

• x = 6

• x = -4

• x = -6

• x = -18/7

• Infinitely Many Solutions (Identity)

Solve for x

3(2x + 8) = 6x - 12

• x = 12

• x = -12

• x = -2

• Infinitely Many Solutions (Identity)

• No solutions

Which of the following is a solution to

3x + 2 > 7

• x = 1

• x = -2

• x = 3

• x = 0

Solve for x

-3x + 7 < 16

• x < -3

• x < 3

• x > -3

• x > 9

• x < -9

Solve for x

2 < 2x - 6 < 12

• -4 < x < 6

• -2 < x < 3

• 4 < x < 9

• 4 < x < 6

• 8 < x < 18

Is it a function?

• Yes

• No

Evaluate f(x) = 2x² - 4 for f(-3)

• 32

• -16

• 14

• -22

Evaluate f(x) = 2 (3)^x for f(-2)

• 1/3

• -12

• 2/9

• -18

Find the slope

(3, 4) and (1, 8)

• m = 2

• m = -2

• m = 3

• m = 1/2

• m = -1/2