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# Common Core quiz: How many of these 8th-grade math problems can you answer?

A student uses his calculator to solve math problems on May 1, 2013. Photo Credit: Heather Walsh

With New York state ready to hand out the Common Core exam this spring, how tough is the test?

See how much math you remember from grade school with these sample questions from the Grade 8 Mathematics Annotated 2014 State Test Questions, from EngageNY.org.

Note: Some questions have been slightly edited for space.

1

### Figure Q was the result of a sequence of transformations on figure P, both shown here. Which sequence of transformations could take figure P to figure Q?

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2

### Which number is equivalent to this?

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3

### Madison created 2 functions. For Function A, value of y is 2 less than 4 times value of x. In comparing the rates of change, which about Function A and Function B is true?

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4

### Figure 1 can be transformed to create Figure 2 using a single transformation. Which transformation can be used to accomplish this?

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5

### In the diagram, 3 lines intersect at N. The measure of ?GNF is 60°, and the measure of ?MNL is 47°. What is the measure of ?HNK?

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6

### The 4 tables show relationships in which x values represent inputs and y values represent corresponding outputs. Which table represents a relationship that isn't a function?

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7

### What is the solution to the system of equations below?

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8

### This shows the cost of different numbers of goldfish. The cost is a linear function of the number of goldfish. Which statement describes the rate of change of this function?

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9

### Which number could not be a value of x ? (Not drawn to scale)

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10

### A researcher studied eyesight at different ages. She used line y = -0.1x + 110 to model data. When she substituted value x=65 into equation, what did the result tell her?

Photo credit: EngageNY.org