اختبار اختيار من متعدد تفاعلي: Describe dilations using coordinate notation

A

$A'(6, 3), B'(9, 0), C'(3, -6)$

B

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

C

$A'(-6, -3), B'(-9, 0), C'(-3, 6)$

D

$A'(\frac{2}{3}, \frac{1}{3}), B'(1, 0), C'(\frac{1}{3}, -\frac{2}{3})$

A

$J'(-8, -2), K'(0, 8), L'(-8, -4)$

B

$J'(-2, -0.5), K'(0, 2), L'(-2, -1)$

C

$J'(-3.5, -0.5), K'(0.5, 4.5), L'(-3.5, -1.5)$

D

$J'(2, 0.5), K'(0, -2), L'(2, 1)$

A

$P'(-1, 1), Q'(2, 1), R'(2, -1), S'(-1, -1)$

B

$P'(1, -1), Q'(-2, -1), R'(-2, 1), S'(1, 1)$

C

$P'(-9, 9), Q'(18, 9), R'(18, -9), S'(-9, -9)$

D

$P'(-0.3, 0.3), Q'(0.6, 0.6), R'(0.6, -0.6), S'(-0.3, -0.3)$

A

$(x, y) \rightarrow (4x, 4y)$; Scale factor = 4

B

$(x, y) \rightarrow (\frac{1}{4}x, \frac{1}{4}y)$; Scale factor $= \frac{1}{4}$

C

$(x, y) \rightarrow (\frac{1}{2}x, \frac{1}{2}y)$; Scale factor $= \frac{1}{2}$

D

$(x, y) \rightarrow (x - 4, y - 4)$; Translation

A

Scale factor = 0.5

B

Scale factor = 2

C

Scale factor = 3

D

Scale factor = 4