Solving Quadratic Equations and Parallelogram

Does this graph have a maximum or a minimum?

• maximum

• minimum

• I am not sure.

• neither

Solve the following quadratic equation: $4x^2-9=0$  

•  $x=\frac{3}{2}$  &  $x=-\frac{3}{2}$  

•  $x=\frac{2}{3}$  & $x=\frac{-2}{3}$  

•  $x=\frac{9}{4}$  

•  $x=\frac{4}{9}$  

Solve by factoring: x² = 7x + 18

• -7 and -18

• 9 and 2

• 9 and -2

• 2 and 7

What can the roots to a quadratic equation be called?

• zeros

• solutions

• x-intercepts

• none of the choices

What are the x- intercepts?

• x= 0 and x= -4
• x= 0 and x= 4
• y= 0
• x= 2

Simplify 

• A.(x+7)/(x-4)
• B.-3/4
• C.(x+3)/(x+4)
• D.(x+3)/(x-4)

• A

• B

• C

• D

• A
• B
• C
• D

Which value of x makes the expression undefined?

• -2
• 2
• -6
• -3

• A
• B
• C
• D