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6.04 Dilations in the coordinate plane

Adaptive
Worksheet

Interactive practice questions

A triangle with vertices $A\left(0,3\right)$A(0,3), $B\left(0,0\right)$B(0,0), and $C\left(2,0\right)$C(2,0) is to be dilated by a factor of $2$2, with the origin as the center of dilation.

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A coordinate plane showing triangle ABC
a

Determine the new coordinates of point $A$A after the dilation:

$\left(\editable{},\editable{}\right)$(,)

b

Determine the new coordinates of point $B$B after the dilation:

$\left(\editable{},\editable{}\right)$(,)

c

Determine the new coordinates of point $C$C after the dilation:

$\left(\editable{},\editable{}\right)$(,)

Medium
1min

A triangle with vertices $A\left(-3,3\right)$A(3,3), $B\left(-3,-3\right)$B(3,3), and $C\left(1,3\right)$C(1,3) is to be dilated by a factor of $2$2, with the origin as the center of dilation.

Medium
1min

A triangle with vertices $A\left(-2,1\right)$A(2,1), $B\left(1,1\right)$B(1,1), and $C\left(1,-1\right)$C(1,1) is to be dilated by a factor of $3$3, with the origin as the center of dilation.

Medium
1min

A rectangle with vertices $A\left(-2,0\right)$A(2,0), $B\left(3,0\right)$B(3,0), $C\left(3,-3\right)$C(3,3), and $D\left(-2,-3\right)$D(2,3) is to be dilated by a factor of $2$2, with the origin as the center of dilation.

Medium
2min
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Outcomes

7.MG.4

The student will apply dilations of polygons in the coordinate plane.

7.MG.4a

Given a preimage in the coordinate plane, identify the coordinates of the image of a polygon that has been dilated. Scale factors are limited to 1/4,1/2, 2, 3, or 4. The center of the dilation will be the origin.

7.MG.4b

Sketch the image of a dilation of a polygon limited to a scale factor of 1/4,1/2, 2, 3, or 4. The center of the dilation will be the origin.

7.MG.4c

Identify and describe dilations in context including, but not limited to, scale drawings and graphic design.

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