PC Sec. 2.1

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 is the vertex for the parabola y = 2(x + 3)² - 8?

• (3, 8)

• (3, -8)

• (-3, 8)

• (-3, -8)

What is the axis of symmetry for y = 2(x + 3)² - 8?

• x = -3

• x = 2

• x = -8

• x = 10

What are the zeros of y = 2(x + 3)² - 8?

• -1, -5

• 1, 5

• 2, 3

• -2, -3

Tags

CCSS.HSA-SSE.B.3B

CCSS.HSF-IF.C.8A

What is the y-intercept of y = 2(x + 3)² - 8?

• 10

• 8

• -8

• -10

Tags

CCSS.HSF-IF.C.7A

What are the zeros of the quadratic function y = x² - 2x - 15?

• x = -2

  x = -15

• x = -3

  x = 5

• x = 3

  x = -5

• x = 1

  x = -16

Tags

CCSS.HSA-SSE.B.3B

CCSS.HSF-IF.C.8A

What is the axis of symmetry for y = x² - 2x - 15?

• x = -2

• x = 1

• x = -15

• x = -1

What is the vertex for y = x² - 2x - 15?

• (-2, -15)

• (1, -16)

• (-1, -12)

• (-2, 15)

What is the y-intercept for y = x² - 2x - 15?

• -2

• -15

• -13

• 0

Tags

CCSS.HSF-IF.C.7A