Two Step Algebraic Expressions

Evaluate if a = 2 and b = 8
6 + 7b - 3a

• -100

• 100

• -56

• 56

evaluate bc + 5a  
when  a = 3, b = 4, and c = -6

• 9

• 38

• -38

• -9

Evaluate the expression when y = 5
2y² + 3y

• 75

• 65

• 115

• 105

Evaluate the expression when x = 7 and y = 4
xy - 4(2)

• 3

• 20

• 48

Evaluate 4y

y = 3

• 7

• 12

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

• 20

• 24

• 44

• 4

Identify the variable(s) in the expression 3x +  9

• x

• y

• 9

• 3x

Evaluate 2r + 1

r = 3

• 24

• 5

• 7

• 8

Evaluate 5m + 7

m = 5

• 12

• 25

• 32

Write an algebraic expression for "12 more than number". 

• x + 12

• 12x

• x - 12