Graphing Quadratics

Identify the 'a' value: y = 16x² -8x -24

• 16

• 8

• -8

• -24

What does

x=-b/2a find?

• vertex

• y-intercept

• slope

• axis of symmetry

What is the equation for axis of symmetry?

• y=3

• x=3

• x=5

• x=1

Identify A, B, and C if y=3x²-8+5x

• A=3, B=5, C=-8

• A=3, B=-8, C=5

• A=3x², B=5x, C=-8

• A=3x² , B=-8, C=5x

What is the green dot on the parabola called?

• vertex

• minumum

• roots

• zeros

Does this parabola have a maximum or minimum?

• Maximum

• Minimum

What are the green dots called?

• axis of symmetry

• vertex

• parabola

• roots or x-intercepts

In order to graph a quadratic equation in standard form, the first two steps are to use the equation _____ to find the axis of symmetry, and then you can plug that value back into the equation to find the _____.

• -b/2a, vertex

• (x-h)^2, y-intercept

• (x-r1), solution

• ax^2, vertex

What is the vertex of the quadratic function:
y = x² - 6x + 11?

• (3,2)

• (-3,-2)

• (-3,2)

• (3,-2)

Determine the vertex of the parabola:
y = 5x² - 20x + 13

• (5, -7)

• (-2, -7)

• (2, -7)

• (-7, -2)