Feb. 19: Key Features of a Quadratic Function (from an equation)

Which point is not on the graph represented by y = x² + 3x - 6?

• (-6, 12)
• (-4, -2)
• (2, 4)
• (3, -6)

Tags

CCSS.HSF.IF.A.1

The vertex of the function y = (x + 2)² - 25 is

• (-2, -25)

• (-7, 0)

• (3, 0)

• (0, -21)

In the function f(x) = (x - 2)² + 4, the equation for the axis of symmetry is

• x = 2

• x = 4

• x = 8

• x = 10

Which function has a minimum?

• f(x) = 2x² + 3x + 4
• f(x) = -2x² + 3x + 4
• f(x) = -(x - 4)(x - 5)
• f(x) = -4(x - 2)² + 4

Tags

CCSS.HSF-IF.C.7A

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 y-intercept?

y = -3(x + 1)² - 5

• (0, -8)

• (0, -5)

• (0, -3)

• (0, -1)

Tags

CCSS.HSF-IF.C.7A

Given the equation y = 3(x + 5)² - 4, what is the minimum value of the parabola?

• 4

• 5

• -4

• -5

Tags

CCSS.HSF-IF.C.7A

What is the axis of symmetry?

• the slope of the graph
• the dividing line for a parabola
• a way to spin my pencil
• the x-axis

The graph of a quadratic function is called a

• parabola

• vertex

• axis of symmetry

• vertex form

Tags

CCSS.HSF-IF.C.7A

If the quadratic has a positive 'a' coefficient, what direction does the parabola open?

• up

• down

• left

• right

Tags

CCSS.HSF-IF.C.7A