Angle Relationships and Algebraic Expressions

Angle Relationships and Algebraic Expressions

Assessment

Interactive Video

Mathematics

9th - 10th Grade

Hard

Created by

Thomas White

FREE Resource

The video tutorial explains how to solve a problem involving supplementary angles. It begins by defining straight and supplementary angles, then sets up an equation to find the value of x. The tutorial walks through solving the equation by isolating x and calculating the measures of each angle. Finally, it verifies the results and concludes the problem-solving process.

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the sum of two angles that form a straight angle?

270°

360°

180°

90°

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

If two angles are supplementary, what is their combined measure?

270°

360°

180°

90°

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the first step in setting up the equation for the given problem?

Adding the expressions and setting them equal to 180°

Dividing the expressions

Subtracting the expressions

Multiplying the expressions

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How do you combine like terms in the equation 2x + 30 + 2x - 10?

Multiply 2x by 30

Add 2x and 30

Subtract 10 from 30

Add 2x and 2x, then 30 and -10

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What operation is performed to isolate the variable x in the equation 4x + 20 = 180?

Add 20 to both sides

Subtract 20 from both sides

Multiply both sides by 4

Divide both sides by 4

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

After isolating x, what is the value of x in the equation 4x = 160?

20

30

50

40

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the measure of the obtuse angle when x = 40?

90°

100°

120°

110°

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