Quadratic Function and Graph

What are the green dots called?

• axis of symmetry

• vertex

• parabola

• roots or x-intercepts

Tags

CCSS.HSF-IF.C.7A

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

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

• x = -4

• x = 4

• y = 4

• y = -4

What is the vertex of the function   y = (x - 3)² + 5

• (-3, 5)

• (3, -5)

• (-3, -5)

• (3, 5)

Given: y = 2(x - 5) + 6, the vertex is

• (2, -5)

• (-5, 6)

• (2, 6)

• (5, 6)

What is the domain of the function y = x² + 3?

• All Real Numbers

• x>3

• x<3

• It is impossible to determine.

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

• y = -2

• x = 3

• x = -3

• y = 2

Find the range of the function
y = -2(x + 4)^2 + 7

• (-∞, -4]

• (-∞, 7]

• [7, ∞)

• [-4, ∞)

Find the y-intercept of the function

y = -3(x + 2)² - 5

• (0, -5)

• (-2, -5)

• (0, -17)

• (2, -5)

Tags

CCSS.HSF-IF.C.7A

What is the vertex of function
f(x) = 3(x+4)²-8?

• (4,-8)

• (-4,-8)

• (3,-8)

• (-4,8)