Understanding Equations and Operations

What is the value of x in the equation 2x = 8?

• 5

• 4

• 3

• 2

If X is divided into 5 equal parts and each part equals 10, what is the value of X?

• 100

• 50

• 25

• 10

What operation is the inverse of division?

• Addition

• Exponentiation

• Subtraction

• Multiplication

How do you solve the equation 1/5x = 15?

• Divide by 5

• Multiply by 1/5

• Divide by 1/5

• Multiply by 5

What is the reciprocal of 3/5?

• 5/3

• 3/5

• 1/3

• 1/5

In the equation 3/5x = 15, what operation can simplify the solution?

• Multiply by 3/5

• Divide by 3/5

• Divide by 5/3

• Multiply by 5/3

What is the result of multiplying 2/5 by its reciprocal?

• 0

• 1

• 2

• 5

If 1/2x = 4, what is the value of x?

• 8

• 6

• 4

• 2

What is the first step in solving 2/5x = 9/10 using reciprocals?

• Multiply by 5/2

• Divide by 2/5

• Multiply by 2/5

• Divide by 5/2

Why is it beneficial to use reciprocals when solving equations with fractions?

• It makes the equation longer

• It simplifies the equation

• It adds more steps

• It makes the equation more complex