Evaluating Algebraic Expressions

Evaluate 2r + 1      if   r = 3

• 6

• 5

• 7

• 8

Evaluate 4y  if       y = 3

• 7

• 12

A letter that represents a unknown number is called a _____.

• variable

• coefficient

• constant

• term

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

• 9

• 38

• -38

• -9

If y= -3 --> Evaluate 4y+ 2

• -10

• -14

• 14

• 10

If g= -3 and h=10 --> Evaluate h − g

• 103

• -7

• 7

• 13

If m= -5 and n= -6 --> Evaluate mn + n

• -24

• -36

• 24

• 36

If y² = y ⋅ y, then what would y² equal when y = -5 ?

• -25

• 25

• 55

• -10

Evaluate if a=3 and b= -2

• -24

• -5

• 6

• 4

Evaluate 2x + 5(y - 1) when x = 8 and y = 5

• 20

• 31

• 36

• -4