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Solving Equations and Operations

Solving Equations and Operations

Assessment

Interactive Video

Mathematics

9th - 10th Grade

Hard

Created by

Thomas White

FREE Resource

The video tutorial explains how to solve a complex division problem involving a variable. It begins by introducing the problem and then breaks down the equation to isolate the variable 'r'. The instructor emphasizes the use of inverse operations, specifically division, to solve the equation. A step-by-step solution is provided, demonstrating how to handle fractions and simplify the result. The tutorial concludes with tips on using math skills and inverse operations to solve similar problems.

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15 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the initial equation presented in the problem?

Negative 7 times 2 equals 7 divided by r

7 times 2 equals negative 7 times r

Negative 7 divided by 2 equals 7 times r

7 divided by 2 equals 7 times r

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the first step in solving the equation?

Multiply both sides by 7

Subtract 7 from both sides

Add 7 to both sides

Isolate the variable r

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What operation is used to isolate the variable r?

Addition

Subtraction

Multiplication

Division

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the inverse operation of multiplication?

Addition

Subtraction

Division

Exponentiation

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the purpose of using inverse operations?

To avoid using a calculator

To add more steps

To isolate the variable

To complicate the problem

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How do you divide negative 7 by 2 and then by 7?

Add 7 to the result

Multiply by 7

Use a calculator

Convert to a decimal and divide

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What happens when you divide 7 by 7?

The result is 0

The result is 7

The result is -1

The result is 1

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