Algebraic Equations Quiz

What is the first step in solving a one-step algebraic equation?

• Multiply both sides by zero

• Add numbers to both sides

• Isolate the variable

• Simplify both sides

In the equation 2 + x = 20, what operation should be performed to isolate x?

• Multiply both sides by 2

• Divide both sides by 2

• Subtract 2 from both sides

• Add 2 to both sides

If y - 4 = 15, what is the value of y?

• 21

• 9

• 19

• 11

What does the expression 4n imply in algebra?

• 4 times n

• 4 minus n

• 4 divided by n

• 4 plus n

In the equation 16 = 4n, what operation should be used to solve for n?

• Multiply both sides by 4

• Divide both sides by 4

• Subtract 4 from both sides

• Add 4 to both sides

What is the value of n in the equation 16 = 4n?

• 8

• 4

• 16

• 2

In the equation r/2 = 4, what operation should be performed to solve for r?

• Divide both sides by 2

• Multiply both sides by 2

• Subtract 2 from both sides

• Add 2 to both sides

What is the value of r in the equation r/2 = 4?

• 2

• 4

• 6

• 8

What is a key rule to remember when solving equations?

• Always add numbers to both sides

• Keep the equation balanced

• Subtract the same number from both sides

• Multiply both sides by zero

What should you do after isolating the variable in an equation?

• Add random numbers

• Check the solution by substituting back

• Multiply by zero

• Ignore the solution