Lessons 9.4 - 9.8

What is the axis of symmetry: y = x² + 2x - 3

• x= 0

• x= -1

• x= -2

• x= -3

What is the vertex: y = x² + 2x - 3

• (0,0)

• (0,-3)

• (-1,-4)

• (-1,-3)

y = x² + 2x - 3 Is the parabola going to open...

• up

• down

• left

• right

What is the y-intercept? y = x² + 2x - 3

• (0,0)

• (0,1)

• (0,2)

• (0,-3)

What are the roots? x² + 8 = 33

• 25

• 5

• -25

• -5

Which equation represents the parabola?

• -x² - 6x + 5

• x² + 6x + 5

• -x² + 6x - 5

• x² + 6x - 5

What is the vertex of the graph?

• (2, 4)

• (3, -1)

• (0, 8)

• (4, 2)

What are the green dots called?

• axis of symmetry

• vertex

• parabola

• roots or x-intercepts

(0,1) on this parabola is the...

• vertex and maximum 

• vertex and minimum

• axis of symmetry

• focal point

Does this graph have a maximum or minimum?

• Minimum

• Maximum