Quadratics Roots

Does this function have a maximum or minimum?

• maximum

• minimum

The equation y = x² + 3x - 18 is graphed.  Based on this graph, what are the roots (x-intercepts) of the equation x² + 3x - 18 = 0?

• -3 and 6

• 0 and -18

• 3 and -6

• 3 and -18

How many roots does this parabola have? 

• 3

• 2

• 0

• 1

The equation y = x²  is graphed.  Based on this graph, what are the roots of the equation x²  = 0?

• 0

• -1 and 1

• 2 and 0

• y

How many solutions (roots) does this graph have?

• one

• two

• no solutions

• cannot be determined

What are the roots of the function
f(x)= (x - 2)(x + 3)?

• x = - 2 or x = 3

• x = 2 or x = -3

• The are no real roots

• x = 2 or x = 3

What are the x-interepts for the graph of the function:  y = x² - 3x - 10 

• -5, 2

• -5, -2

• 5, -2

• 5, 2

Solve using square roots.

• A

• B

• C

• D

Solve using square roots.

• A

• B

• C

• D

Solve using square roots.

• A

• B

• C

• D