Zeroes of Quadratics

Standard form of a quadratic equation

• y=x²
• y=ax²+bx+c
• y=mx+b
• y=x

Tags

CCSS.HSA.CED.A.1

Select the factors of  $x^2-x-12=0$  

• (x+3)(x+4)

• (x-3)(x-4)

• (x+6)(x-2)
  

• (x-6)(x+2)

• (x+3)(x-4)

Which of the following is the Factored Form of a quadratic function?

• f(x) = mx + b

• f(x) = ax² + bx + c

• f(x) = a(x - m)(x - n)

• f(x) = a(x - h)² + k

Tags

CCSS.HSA.APR.B.3

CCSS.HSA.SSE.A.2

CCSS.HSA.SSE.B.3

What are the x-intercepts?

• 0 and 2
• -4 and 0
• 2 and 3
• 0 and 4

What are the green dots called?

• axis of symmetry
• vertex
• parabola
• roots or x-intercepts

Tags

CCSS.HSA.APR.B.3

CCSS.HSA.REI.B.4

CCSS.HSA.REI.D.11

What is the equation for this parabola in factored form?

• y=(x+2)(x-1)
• y=(x-2)(x+1)
• y=(x-2)(x-1)
• y=(x+2)(x+1)

Tags

CCSS.HSA.APR.B.3

What is the factored quadratic equation in the following graph?

• ( x+ 2)(x + 6) = y
• x² - 8x + 12 = y
• (x - 2)(x - 6) = y
• (x - 4)(x + 4) = y

Tags

CCSS.HSA.APR.B.3

CCSS.HSA.REI.B.4

Factor the quadratic expression

d² - 10d + 25

• (d + 5) (d - 5)

• (d - 15) (d + 10)

• (d + 5) (d - 20)

• (d - 5) (d - 5)

Tags

CCSS.HSA.SSE.A.2

CCSS.HSA.SSE.B.3

Factor the following quadratic expression:

x² + 11x + 24

• (x + 6)(x + 4)

• (x + 10)(x + 2)

• (x + 8)(x + 3)

• (x + 2)(x + 12)

Tags

CCSS.HSA.SSE.A.2

CCSS.HSA.SSE.B.3

Find the zero/zeroes of the quadratic equation

d² - 10d + 25 = 0

• d = -5 and d = +5

• d = 15 and d = -10

• d = -5 and d = 20

• d = 5