Series 5 Block 2 Review

For an interior design project, Jamal wants to make pink paint by mixing red paint with white paint. For every gallon of red paint he uses, Jamal uses 2.5 gallons of white paint. Jamal uses 10 gallons of red paint. The equation y = 2.5x models this situation. How many gallons of white paint does Jamal use?

Jamal uses _______ gallons of white paint.

Tags

CCSS.8.EE.B.5

Luna uses graphic design software to resize a photo. For all sizes of the photo, length and width are in a proportional relationship. Which equation represents the proportional relationship shown?

• y =1.5x

• y = x + 1.5

• y = 0.66x

• y= 5x + 1

Tags

CCSS.8.EE.B.5

Select all that apply. Which graphs show the equation y = 2x ?

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The graph represents John’s earning as an intern at an art gallery. Which equation represents the graph?

• y = x

• y = 90x

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  $y=\frac{1}{90}x$

• y = x + 90

Tags

CCSS.8.EE.B.5

The table shows the proportional relationship between time and the number of comic book pages that Luz can sketch in that much time. How many pages can Luz sketch in 24 hours?

Maya uses spray paint to create a mural on a wall outside of her school. The table shows the proportional relationship between cans of spray paint and cost in dollars. How much does Maya pay for 11 cans of spray paint?

Tags

CCSS.7.RP.A.3

Which of the following is not a solution to the equation y=2.75x ?

• (11,4)

• (2,5.5)

• (4,11)

• (6,16.5)

• (8,22)

Susan uses a 3-D printer to make smartphone cases. The equation y = 2.5x models the time in hours, y, it takes Susan to print x cases. Each case takes the same amount of time to print. Select all coordinates that represents a solution to the equation y = 2.5x.

• (1,2.5)

• (2.5,1)

• (2,5)

• (4,10)

• (5,2)

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1

Select all that apply: Which tables contain solutions to the equation y=10.5x ?

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Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1

The equation y = 1.25x describes the relationship between the number of cushions, x, and the number of yards of fabric, y, needed to cover those x cushions. How many yards of fabric are needed to cover 18 cushions?

• 22.5 yards

• 14.4 yards

• 18 yards

• 15 yards

Tags

CCSS.HSF-LE.A.1B