Quadratic Functions and Its Zeros

The function can be written as and as Which two statements are true?

• the function has a zero at (-6,0)

• the function has a zero at (-3,0)

• the function has a zero at (6,0)

Tags

CCSS.HSF-IF.C.7A

Adriana, Kabren, and Iliana are working on a project to help Jared calculate the optimal path for a drone to fly across a park! The path is a beautiful curve described by the equation y=4x²-8x+9. Can you join their team and find the axis of symmetry for this flight path?

• x=-8

• x=1

• x=-1

• x=2

Tags

CCSS.HSF-IF.C.7A

For the function above, is the discriminant positive, negative, or zero?

• Positive

• Negative

• Zero

• Not Sure

Tags

A2.AREI.4

What is the y intercept for the equation:
y = -8x² + 3x - 7

• (0, -8)

• (0, 3)

• (0, 7)

• (0, -7)

Tags

CCSS.HSF-IF.C.7A

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

• x=-8

• x=1

• x=-1

• x=2

If given the equation
y = 3(x + 5)² - 4, what is the vertex of the parabola?

• (5, -4)

• (-5, -4)

• (-15, -4)

• (15, -4)

What is the range of this function?

• (- ∞,+∞)

• [0, +∞)

• [-2, +∞)

• [2, +∞)

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.B.5

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

• y = -2

• x = 3

• x = -3

• y = 2

The standard form of a quadratic equation is

• y=x²

• y=ax²+bx+c

• y=mx+b

• y=x

Which of the following is NOT a quadratic function

• f(x) = -3x²

• f(x) = -5x - 3x²

• f(x) = 3x³ - 4x² + 5

• f(x) = 3x + 5