8.0 - 8.2 Review

Which of the following methods would be best to solve this equation by Factoring?
25x² - 16 = 0

• Difference of Squares
• GCF
• X-Chart (when a =1)

• Factor by Grouping

Which of the following methods would be best to solve this equation by Factoring?
x² - 6x - 27 = 0

• Difference of Squares
• X-Chart with Grouping (when a > 1)

• Factor by Grouping
• X-Chart when a = 1

Which of the following methods would be best to solve this equation by Factoring?
7x³ + 49x² = 0

• GCF
• X-Chart with Grouping (a > 1)

• Diffefernce of Squares
• Difference of Cubes

What is the first step when factoring polynomials?

• Find the GCF
• List all the terms
• Make a triangle
• Write the answer

• Sum of Cubes

• Simplify and Slide

• Factoring by Grouping

• Difference of Cubes

What are the factoring methods we have learned for factoring polynomials? (check all that apply)

• Factor out a GCF

• Difference of Squares

• Sum or Difference of Cubes

• Factor by Grouping

• Factor Quadratics with X and Simplify and Slide

• GCF, Simplify and Slide

• Difference of Cubes

• Simple 3 Term Factoring
  

• Factoring by Grouping

How do you find the y-intercept of a quadratic equation?

• It is the y-value of the vertex.

• It is the x-value of the vertex.

• Plug a zero in for x.

• Plug a zero in for y.

What is a parabola?

• The straight graph of a quadratic function

• The circular graph of a quadratic function

• The V-shaped graph of a quadratic function

• The U-shaped graph of a quadratic function

What is the equation of the axis of symmetry?

• y = 4

• y = -4

• x = 4

• x = -4