Introduction to Algebra: One-Step Equations

What is a variable in algebra?

• A symbol that represents a specific number

• A letter that represents an unknown value

• A type of equation

• A mathematical operation

What is the purpose of balancing an equation?

• To simplify the equation

• To find the value of the variable

• To make both sides equal to zero

• To eliminate the variable

How do you solve an equation with a variable on one side and a number on the other?

• By multiplying both sides by the same number

• By adding the same number to both sides

• By subtracting the same number from both sides

• By performing the opposite operation on both sides

What operation would you use to solve an equation like x + 8 = 16?

• Division

• Addition

• Subtraction

• Multiplication

What does a coefficient in an algebraic expression represent?

• The number of variables

• The division of a variable

• The subtraction from a variable

• The multiplication of a variable

In the equation 3x = 9, what is the value of x?

• 3

• 9

• 6

• 12

How can you solve an equation involving division?

• By multiplying both sides by the same number

• By dividing both sides by the same number

• By adding to both sides of the equation

• By finding the reciprocal and multiplying both sides

How do you solve an equation like 1/2x = 3?

• By dividing both sides by 2

• By multiplying both sides by 2

• By adding 2 to both sides

• By subtracting 2 from both sides

What is the reciprocal of 4/3?

• 1/3

• 3/4

• 4/3

• 12/12

What does 1/5x = 4 imply about the value of x?

• x is greater than 4

• x is less than 4

• x is 20

• x is equal to 4