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Practice Final Apex Unit 2 Functions (1st semester)

Authored by Jennifer Vega

Mathematics

8th Grade

Used 6+ times

Practice Final Apex Unit 2 Functions (1st semester)
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14 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which relation is a function?

{(12, 2), (6, 4), (3,2), (6,5)}

Media Image
Media Image

{(8,5), (5,8), (8, 4), (5,4)}

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

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Is this relation a function? Justify your answer.

No, because two points with the same y-value have different x-values.

Yes, because every x and y value is positive.

Yes, because the number of x-values is the same as the number of y-values.

Yes, because every x-value has a single y-value.

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

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For a science assignment, Max records the height of a plant over time. The plant was 12 cm tall when he started the assignment. He notices that the plant grows 6 cm every week. Which point is on his graph?

(1, 12)

(36,4)

(3,30)

(24,2)

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

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Characterize the slope of the line in the graph.

undefined

zero

positive

negative

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

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What is the slope of the line through (-2,3) and (4,0)

-1/2

1/2

-2

2

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is the equations of the line through the origin and (-3, -7)

y=7x

y=3x

y=37xy=\frac{3}{7}x

y=73xy=\frac{7}{3}x

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is the equation of the line through (-2,6) and (0,2)

y = x +2

y = -x +2

y = -x-2

y = x -2

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