Evaluating Algebraic Expressions

Which operation should be performed first in simplifying this expression?

• addition

• division

• multiplication

• subtraction

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

• 74
• 38
• 1000
• 9000

Evaluate 2a + 4b 
if a = 10     and    b = 6

• 20
• 24
• 44
• 4

Evaluate 2r + 1      if   r = 3

• 6
• 5
• 7
• 8

Evaluate m² + 12q if m = 5 and q = -3

• 10

• -25

• -11

• 13

Evaluate -2x  if     x = 10

• -8
• 20
• -20

Evaluate 7 + j if     j = -2

• -14
• 14
• 5
• 9

Evaluate -2x + -3y if x = 10 and y = -6

• 18

• -38

• 12

• -2

If p = -6, what does -10(p + 4) equal?

• 2

• 20

• -2

• -20

a² - b²
Evaluate if a=4 and b =2

• 4
• 20
• -4
• 12