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Units 3 and 8

Authored by Kat Abe

Mathematics

8th Grade

Used 8+ times

Units 3 and 8
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30 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

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Question 1

Graph A

Graph B

Graph C

Graph D

Answer explanation

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Vertical Line Test - If the line crosses the graph 2x it's not a function

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

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Question 2

F(20x, 20y)

G(0.4x, 0.4y)

H(x + 20, y + 20)

J(x + 0.4, y + 0.4)

Answer explanation

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For a dilation, we multiply by the scale factor

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

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Question 3

F

G

H

J

Answer explanation

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4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

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Question 4

F (x ,y)-> (x, -y)

G (x, y)-> (x, y + 8)

H (x, y)-> (-y, x)

J (x, y) -> (-x, y)

Answer explanation

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Reflection across the x-axis

*Keep the x

*Opposite of y

(x, - y)

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

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Question 5

Statement A

Statement B

Statement C

Statement D

Answer explanation

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Rotating a figure makes it still congruent (same shape - same angle measurements, same size - same side lengths)

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

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Question 6

A

B

C

D

Answer explanation

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Hint: If it has two arrows coming out of an input (x) it is not a function

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

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Question 7

F

G

H

J

Answer explanation

Media Image

Vertical Line Test - if it passes the graph 2x then it's not a function

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