Unit 1 Review

• 15-7

• 7-4

• -30

• -18

• 30

• -66

Three less than twice a number

• 2x − 3

• 3x − 2

• 3 − 2x

• 2 − 3x

the quotient of a number and twelve

• x + 12

• x - 12

• 12/x

• x/12

Evaluate the following expression:
-3x² - 5x + 7 when x = -2

• 5
• 10
• 12
• 7

Evaluate the expression.   Let g = 3    h = 9 
4h + 2g + 4

• 42
• 46
• 34
• 58

Simplify
-2x - 4(4x - 8)

• -16x - 2
• -18x + 32
• 18x - 32
• -16x + 2

Combine like terms:

5x² - 2x + 4 + 3x + 2x² + 8

• 7x² + x + 12

• 7x⁴ + 5x + 12

• 3x² + 7x + 10

• 20x⁶

$f\left(x\right)=5x-12$ What is $f\left(-4\right)$

• -32

• -3

• -12

• 3

Solve the literal equation for the given variable.

• 2A/h
• 2/(h)
• 2Ah
• Ah/2