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Test #4 | Math 8 (Graphing Intro/Triangles/Angles/Dilations/Rigid Transformations)

Last updated 3 months ago

18 questions

Graphing Introduction

Required

4

Angle Pairs

Required

4

Dilations

Required

4

Required

4

Triangle angles

Rigid Transformations

4

4

Required

4

Question 1

1.

Graph the ordered pairs from the table.

Instructions

Click the graph tab.
Click on the graph background to add a point. Drag a point or type in x and y coordinates to edit its position. Click on a point to delete it.

Question 2

2.

The equation that represents the cost (y) to buy x pounds of strawberries is y=2.50x. What does the slope represent?

2.50 dollars per pound of strawberries

2.50 pounds of strawberries per dollar

Required

4

Question 3

3.

Calculate the slope from the table

Required

4

Question 4

4.

What is the slope of this graph? (Remember to reduce- no decimals!)

Question 5

5.

Drag the angle pairs to the best category that describes their angle relationship.

\angle2 and \angle 8
\angle5 and \angle 7
\angle5 and \angle3
\angle 3 and \angle 7
\angle 6 and \angle2
\angle 1 and \angle 3

alternate interior angles
corresponding angles
vertical angles

Required

2

Question 6

6.

If m\angle 5=124, what is the m\angle4

Required

2

Question 7

7.

The relationship of \angle 5 and \angle 4 is __________. This means the angles are __________.

Required

2

Question 8

8.

If the m\angle 3=32\degree, then the m\angle 2=________

Required

2

Question 9

9.

The relationship of \angle 3 and \angle 2 is __________. This means the angles are __________.

Question 10

10.

A triangle has coordinates at A(-2,0) B(-4,4) and C(1, 6). What are the new locations of the coordinates after a dilation by a scale factor of 4? Show your evidence on your paper test.

A'(-8,4), B'(-16,16), C'(5, 24)

 A'(-8,0), B'(-16,16), C'(4, 24) 

 A'(-4,0), B'(-4,4), C'(4, 6) 

 A'(-4,0), B'(-8,8), C'(2, 12) 

Question 11

11.

Identify the scale factor from black (larger) to purple (smaller).

5

\frac 15

2

10

\frac 12

Required

2

Question 12

12.

Write the equation you will use to find the measure of the missing interior angle of the triangle.

Required

2

Question 13

13.

What is the measure of the missing interior angle of the triangle?

Required

2

Question 14

14.

Write the equation you will use to find the measure of the missing exterior angle of the triangle.

Required

2

Question 15

15.

What is the measure of the missing exterior angle of the triangle?

4

Question 16

16.

If the triangle is rotated 180 degrees counterclockwise, what will be the location of C'?

Question 17

17.

Complete on paper only.

Question 18

18.

Complete on paper only