Graphing Quadratics Properties

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

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

• x = -4

• x = 4

• y = 4

• y = -4

When a parabola opens "down" the vertex is known as a __________.

When a parabola opens "up" the vertex is known as the _________.

Tags

CCSS.HSF-IF.C.7A

Find the vertex  y = x² - 2x - 5

• V(-2, 10)

• V(-1, 15)

• V(1, -6)

• V(1, -12)

What is the vertex of this quadratic equation?

y = 2(x + 2)² + 5

• (-2,5)

• (2,5)

• (5,-2)

• (-5,-2)

Which equation matches the graph?

• y=(x-2)²+3

• y=(x-2)²-3

• y=(x+2)²+3

• y=(x+2)²-3

Tags

CCSS.HSF-IF.C.7A

Given the equation for this parabola:
 y=-(x-4)²-3,
does this parabola have a maximum or minimum value?

• Maximum

• Minimum

Tags

CCSS.HSF-IF.C.7A

• y=(x-4)²+1
• y=(x-4)²-1
• y=(x+4)²+1
• y=(x+4)²-1

Tags

CCSS.HSF-IF.C.7A

What is the vertex?
f(x) = 2(x - 5)² + 12

• (-5, -12)

• (5,-12)

• (5, 12)

• (-5, 12)