Finding Quadratic Characteristics

In the equation y= ax² + bx + c , if a > 0, then...

• the graph of the parabola will have a maximum.

• the graph of the parabola will open down

• the graph of the parabola will open up

• the vertex will be (0, 0).

What are the roots of the following quadratic?

• x= 0 and x= -4

• x= 0 and x= 4

• y= 0

• x= 2

Determine the vertex for the following quadratic: y = x² - 9x + 20

• (2,3)

• (4,5)

• (4.5, -.25)

• (-4.5, .25)

Changing the c value of a standard form quadratic (y=ax²+bx+c) transforms the graph how?

• Up and down

• Left or right

• Reflects over x axis

• Up only

What is the name of the shape of the graph?

• parabola

• concave

• ebola

• smooth curve

What is the vertex of the graph?

• (2,-1)

• (2,3)

• (2,2)

• (2,1)

What is the axis of symmetry of the parabola?

• x=1

• x=4

• x=3

• x=2

In the standard form of a quadratic, what does c represent?

• x intercept

• slope

• zeros

• y intercept

What are zeros?

• y intercepts

• x intercepts

• the slope of a graph

• origin of the graph

What is a zero of the graph?

• (2,1)

• (3,1)

• (2,0)

• (3,0)