Expressions Review

Evaluate 8a - b     if a = 10   and   b = 6

• 74
• 38
• 1000
• 9000

Evaluate m² + 12q if m = 5 and q = -3

• 10

• -25

• -11

• 13

Evaluate when a = 15:
2(a - 5) + 2

• 22
• 27
• 14
• 7

What is the value of 3x²-7

when x=-5

• -57

• 43

Simplify:6b + 7b - 10

• 3b
• 13b - 10
• 13b² - 10
• 3b²

Add these expressions
(x+5) + (2x+10)

• 3x+15
• x-5
• 18x

x²+2−1+6x²−4x²

• x ²  -1
• x² +1
• 3x² +1
• x ²+3

Simplify the expression: 7+3(1 - 2x) 

• 21 - 6x
• 10 - 2x
• 10 - 20x
• 10 - 6x

Simplify the expression:
6 + 2(7x - 3) 

• 12 + 7x
• 14x
• 14x + 3
• 9 + 7x

Simplify   6(x + -2)

• 6x + -2
• 6x - 12
• 4x
• 6x - 2