Simplifying Expressions: Combining Like Terms

What are like terms?

• Terms with different powers

• Terms with different variables

• Terms with the same variables and powers

• Terms with the same coefficients

What is the first step in simplifying the expression 9C + 6D + 5D + 8C + 2D?

• Add coefficients

• Combine all terms

• Rewrite the expression

• Identify like terms

What is the simplified form of 9C + 8C?

• 72C

• 98C

• 1C

• 17C

How do you handle a term without a written coefficient?

• Assume the coefficient is zero

• Assume the coefficient is one

• Ignore the term

• Double the term

What is the simplified form of -10A + 9A + 9A?

• 8A

• 10A

• 0A

• 28A

What is the benefit of rewriting an expression with only addition?

• It makes the expression longer

• It helps identify negative terms more easily

• It eliminates the need for coefficients

• It changes the value of the expression

What is the simplified form of 4x^2 - 2x^2?

• 8x^2

• 0x^2

• 2x^2

• 6x^2

What is the final simplified form of 4x^2 - 7 + 3x - 2x^2 + 3?

• 2x^2 + 3x + 4

• 2x^2 + 3x - 4

• 4x^2 + 3x + 4

• 4x^2 + 3x - 4

When writing an expression, in what order should you list terms with exponents?

• From greatest to least

• In alphabetical order

• In random order

• From least to greatest

What should always come last when writing an expression?

• Terms in alphabetical order

• Constant terms

• Terms with the lowest exponent

• Terms with the highest exponent