Math 8 Final Exam Review

The solution to the equation ( x - 2.5 = -8.2 ) is

• -5.7

• -11.7

• 11.7

• 5.7

What is another word for translating a figure on the coordinate plane?

• flip

• shrink

• shift

• turn

Which picture shows a rotation?

• a

• b

• c

• d

Which picture shows a dilation?

• a

• b

• c

• d

Which picture shows a reflection?

• Image of two W shapes, one normal and one flipped horizontally

• Image of two star shapes, one normal and one flipped horizontally

• Image of two octagon shapes, one normal and one flipped horizontally

• Image of two lightning bolt shapes, one normal and one flipped horizontally

The polygons shown are similar. Find y.

• 26

• 15

• 81

• 20

Triangle CDE is similar to Triangle JKL. Find x.

• 10

• 15

• 25

• 13

Rectangle EFGH is graphed on the coordinate grid below. Reflect Rectangle EFGF over the y-axis. What are the coordinates of point H'?

• (5,-4)

• (1,-4)

• (5,-1)

• (1,-1)

The vertices of a triangle are A(6, -18), B(3, -18), and C(6, -9). If the triangle is dilated by a scale factor of 1/3, what will be the coordinates of B'?

• (9, -54)

• (2, -3)

• (2, -6)

• (1, -6)

Which designs show a reflection on the y-axis of the figures?

• Design A to Design B

• Design E to Design G

• Design A to Design H

• Design A to Design G