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Regular Quiz 1 Review Part B

Authored by Eduardo Mancha

Mathematics

8th Grade

Regular Quiz 1 Review Part B
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5 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

Media Image
Media Image
Media Image
Media Image

2.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

Find the coordinates of the vertices of Triangle A'B'C' after Triangle ABC is dilated using the given scale factor.

A (2, 4) B (6, 8) C (10, 12); scale factor 1/2

A'(4, 8), B'(12, 16), C'(20, 24)

A'(1, 4), B'(3, 8), C'(5, 12)

A'(2, 2), B'(6, 4), C'(10, 6)

A'(1, 2), B'(3, 4), C'(5, 6)

3.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

-6.9, -32/5, 6.72, 68%

-32/5, -6.9, 68%, 6.72

68%, -32/5, 6.72, -6.9

-6.9, -32/5, 68%, 6.72

4.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

Media Image

Circle Z, circle Y, circle X

Circle Y, circle Z, circle X

Circle X, circle Z, circle Y

Circle X, circle Y, circle Z

5.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

Media Image

Write an algebraic representation for the dilation and the new points.

T (-3, 5), R (-3, -5), W (4, -5)

k = 3

(x, y) -> (1/3x, 1/3y)

T'(-1, 5/3),

R'(-1, -5/3),

W'(4/3, -5/3)

(x, y) -> (1/2x, 1/2y)

T'(-3/2, 5/2),

R'(-3/2, -5/2),

W'(2, -5/2)

(x, y) -> (3x, 3y)

T'(-9, 15),

R'(-9, -15),

W'(12, -15)

(x, y) ->(3/4x, 3/4y)

T'(-9/4, 15/4),

R'(-9/4, -15/4),

W'(3, -15/4)

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