7th
-
8th
grade

Mathematics

61%

accuracy

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Katherine Deen

3 years

Mathematics

7th -

8thgrade

Transformations

Katherine Deen

6
plays

12 questions

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1. Multiple Choice
1 minute
1 pt
What are the coordinates of the image of point B, after the segment has been dilated by a scale factor of 3 with a center of dilation at the origin?
(-9,9)
(9,-9)
(-1,1)
(1,-1)
2. Multiple Choice
1 minute
1 pt
What is the scale factor in the dilation?
2/5
1/2
2
5/2
3. Multiple Choice
1 minute
1 pt
Which set of ratios could be used to determine if one triangle is a dilation of the other?
$\frac{4}{6}=\frac{6}{9}=\frac{8.5}{12.5}$
$\frac{6}{4}=\frac{6}{9}=\frac{8.5}{12.5}$
$\frac{4}{6}=\frac{9}{6}=\frac{8.5}{12.5}$
$\frac{4}{6}=\frac{8.5}{9}=\frac{6}{12.5}$
4. Multiple Choice
1 minute
1 pt
What is the scale factor of this dilation?
1/2
2/3
3/4
3/2
5. Multiple Choice
1 minute
1 pt
Rectangle JKLM is rotated 90° clockwise about the origin. What are the coordinates of J'?
J'(-1, -4)
J'(4, -1)
J'(1, 4)
J'(4, 1)
6. Multiple Choice
1 minute
1 pt
Julio’s rotation maps point K(–6, 9) to K’(9, 6). Which describes the rotation?
90 degree clockwise rotation
180 degree rotation
90 degree counterclockwise rotation
270 degree clockwise rotation
7. Multiple Choice
1 minute
1 pt
Which statement correctly describes the diagram?
Triangle B is a reflection of triangle A across the x-axis. Triangle C is not a reflection of triangle A.
Triangle B is a reflection of triangle A across the y-axis. Triangle C is a reflection of triangle A across the line y = x+3.
Triangle B is a reflection of triangle A across the y-axis. Triangle C is not a reflection of triangle A.
Triangle B is a reflection of triangle A across the x-axis. Triangle C is a reflection of triangle A across the line y = x+3.
8. Multiple Choice
1 minute
1 pt
Triangle XYZ is reflected across the line
$y=x$
If X' is (2, -15), what are the coordinates of X?
(-15, 2)
(-2, 15)
(2, 15)
(-15, -2)
9. Multiple Choice
1 minute
1 pt
If the triangle on the grid below is translated three units left and nine units down, what are the coordinates of C'?
(-4, -7)
(-4, 2)
(2, -7)
(2, 11)
10. Multiple Choice
1 minute
1 pt
The triangle on the grid below is translated by using the rule
$\left(x,y\right)\longrightarrow\left(x+5,\ y-2\right)$
What will be the coordinates of B'?
(-2, 0)
(0, -2)
(5, -7)
(5, -2)
11. Multiple Choice
1 minute
1 pt
The point A(–1, 4) is translated five units right and three units down. Which rule describes the translation?
$\left(x,\ y\right)\longrightarrow\left(x+5,\ y+3\right)$
$\left(x,\ y\right)\longrightarrow\left(x+5,\ y-3\right)$
$\left(x,\ y\right)\longrightarrow\left(x+3,\ y+5\right)$
$\left(x,\ y\right)\longrightarrow\left(x-3,\ y+5\right)$
12. Multiple Choice
1 minute
1 pt
Which transformation would transform the shaded figure onto the unshaded figure?
Reflection over the x-axis
Dilation
Reflection over the y-axis
Horizontal translation
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