Solving Quadratic Equations

What is the vertex?
y = -2x² + 4x + 3

• (0, 3)

• (-1, 5)

• (1, 5)

• (1, -5)

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

• (-5, -12)

• (5,-12)

• (5, 12)

• (-5, 12)

What is the axis of symmetry?
f(x) = x² - 8x + 15.

• x = -4

• x = 4

• y = 4

• y = -4

What is the axis of symmetry?
y = 3x² - 6x + 4

• x=1

• x=-6

• x=2

• x=-1

True or false:
The root, x-intercept, and zero are all the same thing

• True

• False, because the solution and root are the same but the x-intercept and zero are different

• False, because the x-intercept and root are the same but the zero and solution are different

• False, they are all different

How many zeros does this parabola have? 

• 3

• 2

• 0

• 1

What are the x- intercepts?

• x= 0 and x= -4

• x= 0 and x= 4

• y= 0

• x= 2

What are the green dots called?

• axis of symmetry

• vertex

• parabola

• roots or x-intercepts

Does this parabola have a maximum or minimum?

• Maximum

• Minimum

Find the y-intercept of f(x) = 2x² - 2x + 1

• 2

• -2

• 1

• -1