pre algebra

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Question Description

## Question 1 (5 points)

*Find the coordinates of the vertices of each figure after a reflection over the given axis.*

triangle *ABC* with vertices *A*(–8, 5), *B*(–7, –6), and *C*(3, 4); *x*-axis

## Question 2 (5 points)

Draw an obtuse isosceles triangle.

## Question 3 (5 points)

Draw a right isosceles triangle.

## Question 4 (5 points)

A triangle has the vertices *A*(–7, 8), *B*(1, –7), and *C*(7, 6). After a dilation, the vertices of the image are *A’*(–28, 32), *B’*(4, –28), and *C’*(28, 24). What is the scale factor of the dilation?

## Question 5 (5 points)

Determine if the two figures are similar by using transformations.

## Question 6 (5 points)

*Find the coordinates of the vertices of the figure after a reflection over the given axis. Then graph the reflection image.*

*x*-axis

## Question 7 (5 points)

*Refer to the figure below.*

If *m*, what is the measure of an angle that is complementary to?

## Question 8 (5 points)

*Classify the polygon. Then determine whether it appears to be regular or not regular.*

## Question 9 (5 points)

The measures of the angles of a triangle are shown below. Find the value of *x.*

79°, 70°, *x*°

## Question 10 (5 points)

*Find the coordinates of the image’s vertices.*

A triangle with vertices *L*(–1, 5), *M*(–1, 7), and *N*(–8, 5) is rotated 270 counterclockwise about the origin.

## Question 11 (5 points)

*Copy parallelogram ABCD.*

Rotate the parallelogram clockwise about point *Q*.

## Question 12 (5 points)

Draw an obtuse scalene triangle.

## Question 13 (5 points)

*Determine the scale factor for each dilation. Determine whether the dilation is an enlargement, reduction, or congruence transformation.*

## Question 14 (5 points)

*Use the terms vertical angles, adjacent angles, complementary angles, or supplementary angles to describe angles 1 and 2 in as many ways as possible.*

## Question 15 (5 points)

Find the missing measure in the triangle.

*A* = 94°, *B* = 54°, *C* = *x*°

## Question 16 (5 points)

Draw an acute equilateral triangle.

## Question 17 (5 points)

*Classify the polygon. Then determine whether it appears to be regular or not regular.*

## Question 18 (5 points)

*Use the terms vertical angles, adjacent angles, complementary angles, or supplementary angles to describe angles 1 and 2 in as many ways as possible.*

## Question 19 (5 points)

*Classify the polygon. Then determine whether it appears to be regular or not regular.*

## Question 20 (5 points)

*Find the value of x in the figure.*

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