Solving Equations Quiz

What is the first step in solving an equation to find the value of x?

• Square both sides of the equation

• Add a constant to both sides

• Multiply both sides by zero

• Isolate x by removing surrounding terms

When you have a term like 3x, what operation should you perform to isolate x?

• Subtract 3 from both sides

• Multiply both sides by 3

• Divide both sides by 3

• Add 3 to both sides

How do you handle a fraction when dividing by a number?

• Add the number to the numerator

• Subtract the number from the denominator

• Multiply the fraction by the number

• Place the number in the denominator

What is the result of simplifying -9/21?

• -7/3

• -9/3

• -3/7

• -1/3

What is the purpose of cross-multiplying in an equation?

• To add fractions

• To eliminate fractions by multiplying across

• To divide fractions

• To subtract fractions