Quadratic Functions

• y = -5x² - 20x - 30

• y = -5x² - 4x - 10

• y = 25x² + 100x + 90

• y = 25x² - 10x - 30

Convert the equation from vertex form to standard form.

Convert the equation from vertex form to standard form

Does this graph have a maximum or minimum?

• Minimum

• Maximum

What is the green dashed line called?

• roots or x-intercepts

• parabola

• axis of symmetry

• line of dashes

What is the axis of symmetry for this graph?

• y=2

• x=2

• x=0

• y=0

The line that goes through the vertex of a parabola is called the...

• Vertex

• Axis of Symmetry

• x-intercept

• y-intercept

Which of the following equations matches standard form of a quadratic?

• ax + by = c

• y = a(x - h)² + k

• y = ax² + bx + c

• y = mx + b

What's the axis of symmetry of y = 3x² - 6x + 4

• x=1

• x=-6

• x=2

• x=-1

Does the equation have a max or min?
y = 2x² + 7x + 5

• max

• min