Factoring Quadratics for Zeros

Factor:
x² + 5x - 24

• (x - 8)(x + 3)

• (x + 8)(x - 3)

• (x + 6)(x - 4)

• (x + 12)(x - 2)

What do the "Zeros" represent on a quadratic equation graph?

• x-intercepts

• y-intercepts

• vertex

• focus

3v² - 8v + 5

• (3v + 5)(v - 1)

• (3v - 5)(v + 1)

• (3v - 5)(v - 1)

• (3v + 5)(v + 1)

What are the green dots called?

• axis of symmetry

• vertex

• parabola

• roots or x-intercepts

The graph of quadratic function f  is shown on the grid. What are the zeros of this function?

Select TWO correct answers.

For the given graph with the equation y=(x+3)²-1Factored form = ​ ​ (a)   Zeros (roots/ x-intercepts) = ​ (b)  

• x=-4 or 2

• x=-4 or -2

• x=3 or -3

• (x+4)(x+2)

• (x-4)(x-2)

• (x+3)

• 2 and -4

• (x-2)(x+4)

• -2 and 4

• (x+2)(x-4)

• 2 and -4

• (x-2)(x+4)

• -2 and 4

• (x+2)(x-4)

A quadratic function is shown. What is the factored form of f(x) that reveals the zeros of the function?

• f(x) = (x + 4)(x + 2)

• f(x) = (x + 3)(x + 5)

• f(x) = (x + 2)(x + 6)

• f(x) = (x + 1)(x + 15)

The zeros are ​ ​ (a)  

• -2 and 4

• (x-2)(x+4)

• 2 and -4

• (x+2)(x-4)