How to Rewrite Equations and Solve Literal Equations for One Variable

How to Rewrite Equations and Solve Literal Equations for One Variable

Assessment

Interactive Video

Mathematics, Business

10th Grade - University

Hard

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The video tutorial explains literal equations, which involve two or more variables, and demonstrates how to solve for a specific variable. It covers solving for y in a literal equation, finding the radius from the circumference of a circle, and determining the time in a simple interest scenario. The tutorial emphasizes the use of properties of equality, such as subtraction and division, to isolate variables and solve equations.

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5 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the first step in solving the equation 2y + 5x = 6 for y?

Multiply both sides by 2

Subtract 5x from both sides

Add 5x to both sides

Divide both sides by 5

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

When solving for the radius in the circumference formula, what operation is used?

Addition

Subtraction

Division

Multiplication

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In the simple interest formula, what does the variable 't' represent?

Total interest

Principal amount

Time in years

Interest rate

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How is the interest rate expressed in the simple interest formula?

As a decimal

As a fraction

As a percentage

As a whole number

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the result of dividing 75 by 25 in the context of the simple interest problem?

1

3

2

4