Quadratic Functions Test

Using the equation y = ax² + bx + c to represent a parabola on a graph, which statement is true?

• If b is negative, the parabola opens downward.

• If a is negative, the parabola opens upward.

• If a is positive, the parabola opens upward.

• If c is negative, the parabola opens downward.

Tags

CCSS.HSF-IF.C.7A

A line about which a figure is symmetric is the ____ __ ________

• Solution Set

• Intercept Formula

• Quadratic Function

• Axis of Symmetry

Tags

CCSS.HSF-IF.C.7A

Find the axis of symmetry for
f(x) = x²- 8x + 15.

• x = -4

• x = 4

• y = 4

• y = -4

What are the zeros of the function, f(x) = x² - 5x - 6?

• {-2, 3}

• {-3, -2}

• {-6, 1}

• {-1, 6}

Tags

CCSS.HSA-SSE.B.3B

CCSS.HSF-IF.C.8A

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

What are the coordinates of the y-intercept?

• (-3, 0)

• (0, -3)

• (2, 1)

• y=-3

Tags

CCSS.HSF-IF.C.7A

Determine the values of
a, b, and c for
the quadratic equation: 
4x² – 8x = 3

• a = 4, b = -8, c = 3

• a = 4, b =-8, c =-3

• a = 4, b = 8, c = 3

• a = 4, b = 8, c = -3

Which of the following is a quadratic in standard form?

• y = 7x + 1

• y = x² + 3x - 1

• y = 5x³

• y = 4 - x²

Which equation is the standard form of a quadratic function?

• f(x) = mx + b

• f(x) = a(x - m)(x - n)

• f(x) = ax² + bx + c

• f(x) = a(x - h)² + k

What is the green dashed line called?

• roots or x-intercepts

• parabola

• axis of symmetry

• y intercept

Tags

CCSS.HSF-IF.C.7A