Intercept Form Review

What is the vertex of this quadratic equation?

• (-2,4)

• (2,4)

• (4,-2)

• (-4,-2)

What is the y-intercept of this parabola?

• (−1, 3)
• (−3, 11)
• (−2, 5)
• (0, 5)

Tags

CCSS.HSF-IF.C.7A

Is the vertex a MAX or MIN value to this graph?

• Max

• Min

• Neither

• Huh?

Where is the axis of symmetry for this parabola?

• x = −1

• x = 0

• y = 5

• x = −3

What are the x- intercepts?

• (0, 0) and (-4, 0)

• (0, 0) and (4, 0)

• (0, 0)

• (2, 0)

Tags

CCSS.HSF-IF.C.7A

What are the x-intercepts for the function below?

 $y=\left(x-3\right)\left(x+7\right)$  

• (3, 0) and (7, 0)

• (3, 0) and (-7, 0)

• (-3, 0) and (7, 0)

• (-3, 0) and (-7, 0)

Tags

CCSS.HSF-IF.C.7A

What are the x-intercepts for the function below?

 $y=x\left(x-5\right)$  

• (5, 0) only

• (-5, 0) only

• (0, 0) and (5, 0)

• (0, 0) and (-5, 0)

Tags

CCSS.HSF-IF.C.7C

Given the function

 $y=x\left(x-8\right)$  and that the x-value of the vertex is 4, what is the vertex? 

• (4, -16)

• (4, 16)

• (4, -8)

• (4, 8)

What is the vertex of this function?

 $y\ =\ \left(x+2\right)\left(x+4\right)$  

• (-3, 0)

• (-3, 1)

• (-3, -1)

• (-3, -4)

What are the x-intercepts for g(x) = (x + 8)(x + 2)

• 8 and 2

• (8, 2)

• -8 and - 2

• (-8, -2)

Tags

CCSS.HSF-IF.C.7C