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

Noah is three years younger than four times the age of his brother. Select all the equations that correctly represent the relationship between Noah’s age \(n\) and his brother’s age \(b\).

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7.EE.B.4

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3.MD.C.7

Select all the proportional relationships.

x	y
0	6
3	9
6	12
9	15
12	18

day	number of cell phones sold
1	5
2	10
3	15
4	20

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7.RP.A.2.a

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7.RP.A.2.c

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6.EE.A.2.c

7.NS.A.1

7.NS.A.2

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6.EE.A.2.c

7.NS.A.1

7.NS.A.2

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6.EE.A.2.c

7.NS.A.1

7.NS.A.2

Here is a rectangle: What is the area of the rectangle?

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7.G.B.6

Here is a rectangle: What is the perimeter of the rectangle?

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7.G.B.6

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7.G.B.4