Quadratic Graphs

What piece of information does c identify in the following equation?

y=ax²+bx+c

• zeros

• axis of symmetry

• direction

• y-intercept

Tags

CCSS.HSA.SSE.A.1

Which answer choice describes y = -3x² +7x - 2 accurately

• opens up with a maximum

• opens up with a minimum

• opens down with a maximum

• opens down with a minimum

Tags

CCSS.HSF-IF.C.7A

What are the x-intercept(s) of this graph?

• -1 and -3

• -1 and 3

• 1 and 3

• 1 and -3

Tags

CCSS.HSF-IF.C.7A

What are the coordinates of the y-intercept?

• (-3, 0)

• (0, -3)

• (2, 1)

• y=-3

Tags

CCSS.HSF.IF.C.7

CCSS.HSF.IF.B.4

CCSS.HSA.CED.A.2

CCSS.HSA.REI.D.10

What is the range of the graph?

• all real numbers

• to infinity and beyond

• y ≥ -1

• x ≥ 0

Tags

CCSS.HSF-IF.C.7A

What is the domain of the graph?

• all real numbers

• to infinity and beyond

• y ≥ -1

• x ≥ 0

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.B.5

What is the significance of the ordered pair (2, -4) to the graph?

• it is the vertex

• it is the y-intercept

• it is the axis of symmetry

• it is the x-intercept

Tags

CCSS.HSF-IF.C.7A

What is the equation for axis of symmetry?

• y = 3

• x = 3

• x = 5

• x = 1

Tags

CCSS.HSF-IF.C.7A

Is the graph of the equation y=2x² wider, narrower or the same width as the standard parabola y = x²?

• wider

• narrower

• same

• impossible to tell

Tags

CCSS.HSF.IF.C.7

CCSS.HSF.BF.B.3

Use the picture to find the vertex and axis of symmetry.

• Vertex: (8, 3); axis of symmetry: y=3

• Vertex: (8, 3); axis of symmetry: x=3

• Vertex: (3, 8); axis of symmetry: y=3

• Vertex: (3, 8); axis of symmetry: x=3

Tags

CCSS.HSF.IF.C.7

CCSS.HSF.IF.B.4

CCSS.HSA.REI.B.4