Graphing Quadratics Test Review

What is the axis of symmetry?
f(x) = x² - 8x + 15.

• x = -4
• x = 4
• y = 4
• y = -4

What is the vertex?
f(x) = -x² - 4x + 12.

• (-2, 16)
• (2, 0)
• (2, 4)
• (-2, 4)

Given: y = 2(x - 5)² + 6, the vertex is

• (2,-5)

• (-5,6)

• (2,6)

• (5,6)

Given: y = 1/2(x + 4)² - 5,

Find the axis of symmetry.

• y = 4

• x = -4

• x = 4

• x = -5

What are the transformations?

y=(x-2)²+4 (Choose ALL that apply.)

• Horz shift right 2

• Horz shift left 2

• Vert shift up 4

• Vert shift down 4

How did we transform from the parent function?

y = -1/5x² + 7 (Choose ALL that apply.)

• reflection over the x-axis

• vertical shift up 7

• vertical stretch of 1/5

• vertical shift down 7

• vertical compression of 1/5

What is the axis of symmetry for the quadratic

 $y=2\left(x-3\right)\left(x-2\right)$  

• x=5

• x=5/2

• x=-5

• x=-5/2

What is the vertex for the quadratic

 $y=-\left(x-6\right)\left(x+4\right)$  

• (-1, 15)

• (-1, -15)

• (1, 25)

• (1,-25)

What are the x-intercepts for g(x) = 4(x - 1)(x + 5)

• 1 and -5

• -1 and 5

• -2 and - 36

• 2 and 36

Tags

CCSS.HSF-IF.C.7C

What is the y-intercept?  $x^2-3x+9$  

• (9, 0)

• (0, 9)

• (1, 0)

• (-3, 0)

• (0, -3)

Tags

CCSS.HSF-IF.C.7A