Factoring Quadratics with Desmos

What tool is introduced for factoring quadratics in this lesson?

• Google Calculator

• Microsoft Excel

• TI-84 Calculator

• Desmos Graphing Calculator

When graphing the expression 2x^2 - 25x + 63, which factored form gives the same graph?

• (x + 9)(2x + 7)

• (x - 9)(2x - 7)

• (x - 9)(2x + 7)

• (x + 9)(2x - 7)

What is the solution for the factor x - 9?

• x = -9

• x = 9

• x = 0

• x = 7

Which expression is equivalent to G(x) = x^2 + 15x - 54?

• (x + 9)(x - 6)

• (x + 18)(x - 3)

• (x - 18)(x + 3)

• (x + 6)(x - 9)

What is the solution for the factor x - 3?

• x = 18

• x = 0

• x = 3

• x = -3

Which method is NOT mentioned for factoring quadratic expressions?

• Completing the Square

• Graphing

• Box Method

• Grouping

What is the correct factor for the expression 21x^2 + 13x - 20 that goes through an x-intercept?

• 7x - 5

• 7x + 4

• 3x - 4

• 3x + 5

Which factor does NOT go through an x-intercept for the expression 21x^2 + 13x - 20?

• 3x + 5

• 7x + 4

• 7x - 5

• 3x - 4

What is the purpose of graphing both the quadratic expression and its factors?

• To verify the solutions

• To find the y-intercept

• To check if they are the same graph

• To determine the vertex

What should you ensure when a quadratic expression asks for a factored form?

• The factors are imaginary numbers

• The factors are complex numbers

• The factors go through the y-intercept

• The factors go through the x-intercepts