Quadratics Unit Review

What are the green dots called?

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

Tags

CCSS.HSF-IF.C.7A

Where is the function increasing?

• (1, - $\infty$ )

• (1, + $\infty$ )

• (-4, - $\infty$ )

• (4, + $\infty$ )

Tags

CCSS.HSF-IF.C.7A

What are the x- intercepts?

• x= 0 and x= -4
• x= 0 and x= 4
• y= 0
• x= 2

Tags

CCSS.HSF-IF.C.7A

A vertex can be defined as _______

• the turning point of the parabola

• the maximum

• the minimum

• all of the above

Tags

CCSS.HSG.GPE.A.2

A parabola has a vertex at (-3,2).

Where is the axis of symmetry?

• y = -2

• x = 2

• x = -3

• y = -3

What is the y-intercept?

f(x) = 2(x - 5)² + 12

Hint: Let x=o

• (0, -5)

• (0,12)

• (0, 62)

• (0, 212)

Tags

CCSS.HSF-IF.C.7A

What piece of information does c identify in the following equation?
y=ax²+bx+c

• Zeroes
• Axis of Symmetry
• Direction
• y-intercept

What piece of information does this equation easily identify?

y=a(x-h)²+k

• x-intercepts

• Vertex (h,k)

• y-intercept

• Factors

A quadratic function has zeros -7 and 9 and opens up.

What would be an equation in factored form?

• (x+7) (x-9)

• (x-7) (x+9)

• -(x+7)(x-9)

• (x-7)(x-9)

What is Mrs. Gordon's rate from 0 to 2 seconds?

• 2.5 feet per second
• .4 feet per second
• 5 feet per second
• .2 feet per second

Tags

CCSS.8.F.B.4

CCSS.HSF.IF.B.6