Triangle Properties and Linear Functions

Triangle Properties and Linear Functions

Assessment

Interactive Video

Mathematics

9th - 10th Grade

Hard

Created by

Thomas White

FREE Resource

The video tutorial covers homework problems 945, 948, and 949. It begins with an introduction to the problems, followed by a detailed explanation of finding the scale factor between similar triangles ABC and DEF in problem 945. Problem 948 involves graphing and solving systems of equations using graphing and equal values methods. Finally, problem 949 focuses on solving for X and classifying triangles as acute, right, or obtuse based on their angle measures.

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12 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the first step in solving problem 945 regarding similar triangles?

Calculate the area of the triangles

Determine the perimeter of the triangles

Find the scale factor

Identify the corresponding angles

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

If triangle ABC is similar to triangle DEF and the side AB is 3 while DE is 15, what is the scale factor?

3

5

15

1/5

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How do you find the length of a corresponding side in a larger triangle if you know the scale factor?

Divide the side length by the scale factor

Add the scale factor to the side length

Multiply the side length by the scale factor

Subtract the scale factor from the side length

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the y-intercept of the equation y = -x + 1?

2

1

-1

0

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In the equation y = 2x + 7, what does the number 2 represent?

The y-intercept

The slope

The x-intercept

The constant term

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the solution to the system of equations y = -x + 1 and y = 2x + 7?

(-2, -3)

(2, 3)

(0, 1)

(-1, 2)

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What method is used to solve the system of equations in problem 948B?

Elimination method

Equal values method

Graphical method

Substitution method

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