Standard Form Quadratic

What is the axis of symmetry for the following equation?
y=4x²-8x+9

• x=-8

• x=1

• x=-1

• x=2

The axis of symmetry is a line that goes through the...

• y-intercept

• any random point

• vertex

•  x-axis or y-axis

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

• Zeroes

• Axis of Symmetry

• Direction

• y-intercept

Find the vertex.  y = x²+ 16x + 71

• V(-8, 7)

• V(-8, 3)

• V(8, 10)

• V(16, -2)

If a is negative in the function, which way does the parabola

• up

• down

• left

• right

Tags

CCSS.HSF-IF.C.7A

Identify A, B, and C if y=3x²-8+5x

• A=3, B=5, C=-8

• A=3, B=-8, C=5

• A=3x², B=5x, C=-8

• A=3x² , B=-8, C=5x

Does
y = -4x²
have a maximum or minimum value?

• maximum

• minimum

Tags

CCSS.HSF-IF.C.7A

• a = 2 , b = 3, c = -5

• a = 2, b = -3, c = 5

• a = 2, b = -3, c = -5

• a = -2, b = 3, c = 5

A parabola has a vertex at (-3,2).
Where is the axis of symmetry? *** x = __

• y = -2

• x = 3

• x = -3

• y = 2

Find the vertex of
f(x) = -x² - 4x + 12

• (-2, 16)

• (2, 0)

• (2, 4)

• (-2, 4)