Evaluating Expressions and Writing Algebraic

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

• 20

• 31

• 36

• -4

A large cheese pizza costs $18. Each topping you add on costs $1.50. How much would it cost to get a large cheese pizza with c toppings added?
Write your answer as an expression.

• c + 18

• 18 + 1.50 

• 18 + 1.50c

• 1.50c - 18

Translate this phrase into an algebraic expression.

8 less than the product of 4 and m

• 8 - 4m

• 8m - 4

• 8m + 4

• 4m - 8

Find the value of the expression.

• -12

• 12

• 14

• -14

The table shows Sandra's weekly earnings, y , based on the number of hours she works. Which equation can Sandra use to calculate her weekly earnings when she works x hours?

​ (a)  

• y = 8x

• y = 5x + 40

• y = 10x

• y = 10x + 80

The table shows Sandra's weekly earnings, y , based on the number of hours she works. Which equation can Sandra use to calculate her weekly earnings when she works x hours?

• y = 8x

• y = 5x + 40

• y = 10x

• y = 10x + 80

The equation for the table below is y=2x+5, fill in the missing values.

c

d

e

f

7

9

-1

4

0

3

• 1

• 2

• 3

• 4

Identify the variables in the expression: 3x + 4y - 7

• x and y

• 3 and -7

• x and 7

• 3 and 4

Evaluate \frac{1}{4}\left(12\ x\ +4\right) if x = 3

• 10

• 13

• 21