7.7 Review Graphing Parabolas

What is the green dashed line called?

• roots or x-intercepts
• parabola
• axis of symmetry
• y intercept

Tags

CCSS.HSF-IF.C.7A

The graph of a quadratic function is called a

• Parabola
• Vertex
• Axis of Symmetry 
• Vertex Form

Tags

CCSS.HSF-IF.C.7A

Does the equation open up or down? 
Y = -3x² +7x - 2

• up
• down

Tags

CCSS.HSF-IF.C.7A

If we have the equation y=ax²+bx+c, what is the equation for the axis of symetry?

• -1(a)

What is the vertex of y=x²+4x+3?

• (2,1)
• (-2,1)
• (0,0)
• (-2,-1)

The axis of symmetry line passes through which point?

• y-intercept
• any random point
• vertex
• symmetrical point for the vertex

What is the axis of symmetry for the equation f(x) = 3x² - 18x + 23

• x = -3

• x = 9

• x = 3

• x = -9

Which is the vertex of y = x²+ 16x + 71 ?

• (-8, 7)

• (-8, 3)

• (8, 10)

• (16, -2)

Where is the axis of symmetry for this parabola?

• x = −1
• x = 0
• y = 3
• x = −3

Tags

CCSS.HSF-IF.C.7A

Use the graph to determine the solutions.

• -1 and -3
• 1 and -3
• 1 and 3
• -1 and 3