Unit 2 Part 2 Illuminate Practice Test

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CCSS.HSA.CED.A.1

CCSS.HSA.REI.A.1

CCSS.HSA.REI.B.3

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CCSS.HSA.REI.D.12

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Liam is painting a mural. Currently, he has completed 25 square feet of the mural, and he is painting at a rate of 5 square feet per hour. He wants to finish the mural with at least 100 square feet of painting.

Create an inequality that represents all possible values for the number of hours h that it will take Liam to finish the mural: 

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CCSS.7.EE.B.4B

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CCSS.HSA.REI.D.12

Write an inequality that represents the graph.

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CCSS.HSA.REI.D.12

Solve and graph the inequality. Give an answer in interval notation.

-7x + 12 > -8x + 21

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CCSS.HSA.CED.A.1

CCSS.HSA.REI.B.3

Determine whether the ordered pairs given are solutions of the linear inequality in two variables.

x - y ≤ -6

(-2, 1)

• Yes

• No

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CCSS.HSA.REI.B.3

Sarah has a phone plan. She pays a flat fee plus a rate per minute used, as shown in the graph.

Which function represents the cost, C(t), of Sarah's phone plan after t minutes are used?

• c(t)=0.25x+5

• c(t)=5x+0.25

• c(t)=-0.25x+5

• c(t)=-5x+0.25

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CCSS.8.F.B.4

CCSS.HSF.LE.A.2

Line l has the equation 2x-2y=4.

Line m is shown in the graph.

What is the slope of the steeper line?

• 2

• 1

• 4

• 3

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CCSS.8.EE.B.5

Sam and Marissa are shopping at the same pizza place.  Sam bought 3 pizzas and 3 cookies. He paid $27 total. Marissa bought 6 pizzas and returned 2 cookies. She paid $40 total. A system of equations that represents their purchases and returns is shown below, where x represents the cost of a pizza and y represents the cost of a cookie.

3x+3y=27

6x-2y=40

What is the cost of one pizza?

• 7.25

• 5.50

• 3.50

• 1.75

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CCSS.8.EE.C.8C