Standard Factored and Vertex

What form is the following equation written in?
y = 2(x - 2)² + 4

• Standard

• Vertex

• Factored

• Linear

If we have the equation y=ax²+bx+c, how can we can find the x-coordinate of the vertex?

• -a

• -b/a

• b/2a

• -b/2a

What is the vertex of this function?

• (-3, -4)

• (-4, -3)

• (0, 5)

• (-5, 0)

What are the x-intercepts of this function?

• (-5, 0) and (0, 5)

• (-5, 0) and (-1, 0)

• (0, -5) and (0, -1)

• (5, 0) and (1, 0)

Tags

CCSS.HSF-IF.C.7A

What are the zeros for the function
f(x) = (x + 7)(x + 5)

• (7 , 0) and (5 , 0)

• (0 , 7) and (0 , 5)

• (-7 , 0) and (-5 , 0)

• (7 , 0) and (5 , 0)

Tags

CCSS.HSF-IF.C.7C

What can we find easily in factored form?

• y-intercept

• vertex

• zeros/x-intercepts

What is the green dashed line called?

• roots or x-intercepts

• parabola

• axis  or line of symmetry

• line of dashes

Tags

CCSS.HSF-IF.C.7A

Identify the vertex.

• (5, 2)

• (5, -2)

• (-5, 2)

• (-5, -2)

What is the vertex of this parabola?

• (−1, 3)

• (−3, 11)

• (−2, 5)

• (0, 5)

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