Solving One-Step Equations with Inverse Operations

What is a variable in mathematical terms?

• A fixed number

• A symbol representing one or more numbers

• A mathematical operation

• A type of equation

Which operation undoes addition?

• Division

• Multiplication

• Addition

• Subtraction

What does the addition property of equality state?

• Subtracting the same number from each side of an equation produces an equivalent equation

• Adding the same number to each side of an equation produces an equivalent equation

• Multiplying the same number to each side of an equation produces an equivalent equation

• Adding different numbers to each side of an equation produces an equivalent equation

If x + 6 = 11, what is the value of x?

• 5

• 6

• 7

• 4

What is the inverse operation of dividing by 7?

• Multiplying by 7

• Subtracting 7

• Dividing by 7

• Adding 7

What is the result of 5x = 30 when solved for x?

• x = 4

• x = 5

• x = 6

• x = 7

What does the division property of equality state?

• Dividing the same number from each side of an equation produces an equivalent equation

• Multiplying the same number to each side of an equation produces an equivalent equation

• Adding the same number to each side of an equation produces an equivalent equation

• Subtracting the same number from each side of an equation produces an equivalent equation

What does the symbol π represent?

• A mathematical operation

• A fixed number

• A variable

• An irrational number

If πx = 18π, what is the value of x?

• 0

• 1

• π

• 18

What is the reciprocal of -2/3?

• -3/2

• 3/2

• 2/3

• -2/3