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Math

posted by on .

1.
Given a scale factor of 2, find the coordinates for the dilation of the line segment with endpoints (–1, 2) and (3, –3).

(2, 4) and (6, 6)
(2, 4) and (6, 6)
(–2, 4) and (6, –6)
(2, –1) and (–3, 3)

2.
Given a scale factor of one-half , find the coordinates for the dilation of the triangle with vertices at (0, 0), (0, 2), and (4, 0).

(0, 0), (0, 4), (8, 0)
(0, 0), (0, 1), (2, 0)
(one-half,one-half), (one-half, 1), (2, one-half)
(2, 2), (2, 4), (8, 2)

3.

The dashed figure is a dilation of the original figure. Find the scale factor. Classify the dilation as an enlargement or a reduction.

dashed figure dilation


2, enlargement
one-third , reduction
one-half , reduction
3, enlargement

4.
What is the scale factor in the following dilation? The red triangle is the pre-image.
dilation


3
one-third
2
one-half



My Answer Please Check Please
1 (2, 4) and (6, 6)
2 (2, 2), (2, 4), (8, 2)
3 2, enlargement
4 one-half

  • Math - ,

    1. (C) don't lose track of the signs
    2. (B) just multiply coordinates by scale factor
    3,4. no diagrams here

    I'd be interested to see how you arrived at your answers for 1 & 2.

  • Math - ,

    C B C D A

  • Math - ,

    c
    b
    a
    c
    100%

  • Math - ,

    Holloz is wrong, i got a 75% here are the answers,

    1.C
    2.B
    3.D
    4.C

  • Math - ,

    helloz is wrong, do Bruh_Itz_Meh,
    1.C
    2.B
    3.D
    4.C

  • Math - ,

    I just took the test its 1.C 2.B 3.A 4.C

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