Combining Like Terms in Algebra

The video tutorial covers an Algebra 1 practice test, focusing on adding polynomials by combining like terms. It explains the process of identifying and combining like terms, using a calculator for verification, and checking answers through graphing. The tutorial also discusses adjusting x values to avoid errors in calculations, emphasizing the importance of understanding polynomial addition.

What is the main topic of the Algebra 1 practice test introduced in the video?

• Factoring expressions

• Graphing linear equations

• Adding polynomials

• Solving quadratic equations

How can you identify an addition problem in algebra?

• By the presence of a multiplication sign

• By the presence of a division sign

• By the presence of a plus sign

• By the presence of a subtraction sign

What is the first step in combining like terms in a polynomial?

• Subtract the coefficients of like terms

• Add the coefficients of like terms

• Divide the coefficients

• Multiply the coefficients

What is the result of adding 3x^2 and -2x^2?

• 5x^2

• x^2

• -x^2

• 0

What is the result of adding 4x and -x?

• 0

• 3x

• 5x

• x

What is the result of adding -1 and 3?

• 0

• 4

• -2

• 2

What is the final result of adding the polynomials 3x^2 + 4x - 1 and -2x^2 - x + 3?

• x^2 + 3x + 2

• 5x^2 + 3x + 2

• x^2 + 3x - 2

• x^2 - 3x + 2

What should you do if you get an error when plugging in values to verify your answer?

• Change the x-value to zero

• Change the x-value to a non-zero number

• Ignore the error

• Use a different calculator

What is the alternative method mentioned for verifying polynomial addition?

• Plugging in answer choices

• Using a graphing calculator

• Asking a friend

• Using a different polynomial

What happens if you plug in the wrong polynomial when verifying?

• The polynomial simplifies

• You get the correct answer

• You get a different number

• The calculator crashes