Find axis of symetry

What is the equation for axis of symmetry? remember axis of symmetry passes through the x axis, so is x = ____)

• y=3

• x=3

• x=5

• x=1

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

Tags

CCSS.HSA.REI.B.4

CCSS.HSF.IF.B.4

A parabola has a vertex at (-3,2).

Where is the axis of symmetry?

(remember axis of symmetry passes through the x axis, so is x value...x = ____)

• y = -2

• x = 3

• x = -3

• y = 2

What is a, b, and c in 3x² + 4 = 5x?

• a = 3, b = -5, c = 4
• a = 3, b = 5, c = 4
• a = 3, b = 5, c = -4
• a = 3, b = -5, c = -4

Tags

CCSS.HSA.REI.B.4

CCSS.HSA.CED.A.1

Find the axis of symmetry for

f(x) = x²- 8x + 15.

x = -b/(2a)

• x = -4

• x = 4

• y = 4

• y = -4

What's the axis of symmetry of y = 3x² - 6x + 4

x = -b/(2a)

• x=1

• x=-6

• x=2

• x=-1

The equation for the axis of symmetry line is x = -b/(2a)

• true

• false

Tags

CCSS.HSA.REI.B.4

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

• y = -2
• x = 3
• x = -3
• y = 2

Does this parabola have a maximum or minimum?

• Maximum
• Minimum

Tags

CCSS.HSF-IF.C.7A

Does the quadratic have a max/min vertex, and does the parabola open up/down?

• max/ opens down
• min/ opens up
• max/ opens up
• min/ opens down

Tags

CCSS.HSF-IF.C.7A