Math Quarterly 2 Review

A teacher selects two different numbers, P and Q, and states that P + Q = 0.
Which statement could be true about these two numbers?

• One number is positive and one number is negative

• Both numbers are negative

• Both numbers are positive

• One of the numbers is zero and the other number is positive

What number is equivalent to 8/11?

• 1.375

• 0.72

• 0.7777777

• 0.7222222

Chris wrote an equation and the first step of his solution process, as shown.

16 = 12 - 6x
4 = -6x

Which math operation did Chris apply in his first step?

• He divided each side of the equation by 4

• He subtracted 12 from each side of the equation

• He divided 16 by 4

• He added 12 to each side

The distance of one lap around a school track is 1/4 miles. Sherrie walks 5 laps around the track.

How many more laps must Sherrie walk to reach a total distance of 3.5 miles?

(a)  

Select the THREE expressions that are equivalent (equal) to -2 ( 4 - 3x ) + ( 5x - 2 )

• 2x - 10

• 11x - 10

• -8 + 11x - 2

• -8 - 11x - 2

• -8 + 6x + 5x - 2

The perimeter of a regular 6-sided figure is 30 units, and the length of each side is x + 1 units. What is the value of x?

(a)  

Use the figure to find the value of X

(a)  

A bowling alley charges X dollars per guest and a fixed $50 rental fee for parties. Which equation represents the total cost, y, for 9 guests?

• y = 9x

• y = 9x + 41

• y = 9x + 50

• y = 50x + 9

Katie bought 4 sweaters that each cost the same amount and 1 skirt that cost $20 . The items she bought cost a total of $160 before tax was added. What was the cost of each sweater?

• $20

• $35

• $40

Which expression is equivalent to 7a - 8 - 12a + 4?

• -5a - 4

• -9a

• 31a

• 19a + 12