G8 Easy round review G8 Math

Simplify (x + 1)².

• x² + 2x +1

• x² - 2x +1

• x² + 2x -1

• x² - 2x -1

Answer explanation

Which of the following refers to the finding of two or more factors of a number or a polynomial.

• Addition
• Subtraction
• Factorization
• Multiplication

• 3
• 6
• x
• 3x

• Factoring by grouping
• Factoring a quadratic
• Factoring out the greatest common factor
• Factoring a sum or difference of cubes

• Factoring by grouping
• Factoring a difference of squares
• Factoring a sum of cubes
• Factoring a difference of cubes

• Factoring by grouping
• Factoring a difference of squares
• Factoring a perfect square trinomial
• Factoring a sum or difference of cubes

• Factoring by grouping
• Factoring by GCF
• Factoring a sum or difference of cubes

• 1
• 0.5
• 2
• 0

• 1
• -1
• 0