Algebraic Expressions Mr. Self

If Ewan (E) is 8 years older than his girlfriend (g), which expression represents Ewan's age?

• E-8

• 8g

• g-8

• 8+g

If it costs a VSCO girl $1.99 to save one turtle, which expression represents the cost of x turtles?

• 1.99x

• 1.99 + x

• 1.99 - x

• 1.99/x

Which algebraic expression could be represented by the statement below?

Five times a number plus the quantity of the sum of a different number and eight

• 5(x + y + 8)

• 5x + (x+8)

• 5x + (y+8)

• 5x + y + 8

What is the value of x + yz when x=2, y=3, and z=4?

• 36

• 696

• 11

• 14

What is the value of a² - b when a=5 and b=-2?

• 27

• 23

• -1

• 1

Three times the square of a number is equal to seven less than nine times the number.

• (3x)² = 9x-7

• 3x² = 9x-7

• 3 + x²= 7 - 9x

• sksksksksk

Six times the quantity of four plus a number

• 6(4+n)

• 6n + 4

• 6(4) + n

• 4n + 6

Given the expression "6 more than twice a number", what is the value of the expression if the number is equal to 5?

• 5

• 10

• 16

• 13

What is the value of the expression 4a - 5b if a=1/4 and b=3/10?

• -2 1/2

• 1/2

• -1/2

• 2 1/2

Creston is going to the FAR room with a bunch of his 3rd block friends. The cost for them to enter the FAR room is $600 and will be equally divided among the number of people that attend. Creston will also need an additional $45 to cover Mr.Self's Tik Tok expenses. Let x represent the number of friends joining Creston in FAR, write an expression for the total cost for Creston to be sent to the FAR room

• 600x + 45

• $\frac{600}{x}$ + 45

• 645

• $\frac{600}{45}$ + x