Building Quadratic Functions to Describe Situations

What is the vertex of the parabola: y=2(x-3)²+4

• (3,4)

• (-3,4)

• (3, -4)

• (-3,-4)

What is the vertex of the graph?

• (2,4)

• (-2,-4)

• (4,2)

• (-4,-2)

What is the equation for the axis of symmetry?

• -3

• -1

• x=-3

• x=-1

What is the y intercept of this graph?

• 3

• 2

• 1

• 0

Tags

CCSS.HSF-IF.C.7A

f(x) = 3x² - 4 is a quadratic function

• true

• false

Which of the following is NOT a quadratic function

• f(x) = -3x²

• f(x) = -5x - 3x²

• f(x) = 3x - 4x² + 5

• f(x) = 3x + 5

The standard form of a quadratic equation is

• y=x²

• y=ax²+bx+c

• y=mx+b

• y=x

Identify b of the following quadratic function:
y = x ² + 16x + 64

• 2

• 1

• 16

• 64

Identify a of the following quadratic function:
 y = 2x ² − 4x − 2

• 2

• 4

• -4

• -2

What is the vertex of this parabola?

• (−1, 3)

• (−3, 11)

• (−2, 5)

• (0, 5)