Grade 8 | Unit 5: Functions and Volume | Check Your Readiness (A)

Jada is three years older than twice her brother’s age. Select all the equations that correctly represent the relationship between Jada’s age \(j\) and her brother’s age \(b\).

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7.EE.B.4

Select all the proportional relationships.

• A train is traveling at a constant speed of 60 miles per hour. The number of hours the train has been traveling is \(t\). The number of miles the train has traveled is \(d\).

• x	y
  3	6
  4	12
  5	24

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7.RP.A.2.a

There are 16 cups in a gallon. The equation \(c = 16g\) gives the number of cups in terms of the number of gallons. Write another equation for this situation, giving the number of gallons in terms of the number of cups: \(\displaystyle g = \)

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7.RP.A.2.c

Given the equation \(y=\text-3x+2.5\): When \(x\) is 1, what value of \(y\) makes the equation true?

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6.EE.A.2.c

7.NS.A.1

7.NS.A.2

Given the equation \(y=\text-3x+2.5\): When \(x\) is -1.5, what value of \(y\) makes the equation true?

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6.EE.A.2.c

7.NS.A.1

7.NS.A.2

Given the equation \(y=\text-3x+2.5\): When \(y\) is 8.5, what value of \(x\) makes the equation true?

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6.EE.A.2.c

7.NS.A.1

7.NS.A.2

Here is a rectangular prism. What is the surface area of the prism?

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7.G.B.6

Here is a rectangular prism. What is the volume of the prism?

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7.G.B.6

A circular field has area \(14400\pi\) square feet. What is the radius of the field?

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7.G.B.4

A circular field has area \(14400\pi\) square feet. What is the diameter of the field?

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7.G.B.4