Quadratics

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

• x = -4
• x = 4
• y = 4
• y = -4

Tags

CCSS.HSA.REI.B.4

CCSS.HSF.IF.C.8

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

• (-2, 16)
• (2, 0)
• (2, 4)
• (-2, 4)

Tags

CCSS.HSA.REI.B.4

CCSS.HSF.IF.B.4

CCSS.HSF.IF.C.7

What is the vertex?

• (1, 2)

• (2, 1)

• (0, -4)

• (3, 0)

What is the equation for axis of symmetry?

• y=3
• x=3
• x=5
• x= -3

Tags

CCSS.HSF-IF.C.7A

What is the y-intercept?
f(x) = -2x² + 4x - 6

• (0, 6)
• (0, -6)
• (6, 0)
• (-6, 0)

Tags

CCSS.HSF-IF.C.7A

Which of the following is the correct equation for the given graph?

• f(x) = (x - 2)² - 1
• f(x) = (x + 2)² - 1
• f(x) = -(x + 2)² - 1
• f(x) = -(x - 2)² - 1

Tags

CCSS.HSF-IF.C.7A

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)

Tags

CCSS.HSF.IF.B.4

CCSS.HSF.IF.C.7

Forms of Quadratics - Vertex Form #1
What is the line of symmetry for the equation y = ½(x - 4)² - 4?

• y = 4
• y = - 4
• x = 4
• x = - 4

What are the x-intercepts of the parabola?
y = -3(x + 5)(x - 9)

• -5 and 9
• 5 and -9
• 5 and 9
• -3 and 5 and -9

Tags

CCSS.HSF-IF.C.7A

What is the axis of symmetry of the given function?

• x = -4

• x = 4

• x = -2

• x = 2