Quadratics Factored Form and Intercepts

Which quadratic equation models the parabola shown below?

• y = 0.25(x-2)(x+2)

• y = -0.25(x-2)(x+2)

• y = 4(x-2)(x+2)

Tags

CCSS.HSF-IF.C.7A

Which graph matches up with the equation?

y = ⅕(x-6)(x-1)

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• 
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Tags

CCSS.HSF-IF.C.7A

What are the x-intercepts:

• { 5, 1 }

• { 5, -1 }

• { -5, 1 }

• { -5, -1 }

Tags

CCSS.HSF-IF.C.7A

Which quadratic equation models the parabola shown?

• y = (x-2)(x-5)

• y = (x+2)(x+5)

• y = -(x+2)(x+5)

• y = -(x-2)(x-5)

Tags

CCSS.HSF-IF.C.7A

What is the quadratic function for the graph in intercept form?

• y = (x - 2)(x - 6)

• y = - (x - 2)(x - 6)

• y = (x + 2)(x + 6)

• y = (x + 4)(x - 4)

Tags

CCSS.HSF-IF.C.7A

What is a quadratic function in factored/intercept form with x-intercepts of (5,0) and (-2,0) that is normal size and opens up? f(x) = ________________

Mathematical Equivalence

ON

Which equation, when graphed, has x-intercepts at (2, 0) and (4, 0) and a y-intercept of (0, –16)?

• f(x) = –(x – 2)(x – 4)

• f(x) = –2(x – 2)(x – 4)

Tags

CCSS.HSF-IF.C.7A

Identify the y-intercept.

• (0,3)

• (3,0)

• (1,0)

• (2,-1)

Tags

CCSS.HSF-IF.C.7A

For the given graph with the equation y=(x-3)²+1

x-intercepts / zeros /roots = ​ ​ (a)  

Factored form: ​ (b)   ​

• (x-2)(x-4)

• x=2 or 4

• x=-4 or -2

• -(x-2)(x-4)

• (x+2)(x+4)

• (x-3)(x+1)

Tags

CCSS.HSF-IF.C.7A

For the graph of y= -(x+2)² + 9 attached,

x intercepts: ​ (a)  

y intercept: ​ (b)  

Factored form: ​ (c)  

• x=-5 or x=1

• x=5 or -1

• y= 5

• y=0

• -(x + 5)(x - 1)

• -(x - 5)(x + 1)

• (x + 5)(x - 1)

Tags

CCSS.HSF-IF.C.7A