Roots of Quadratic Equations

Determine the roots of the following quadratic equation.

• x=0 or x=9

• x= 2 or x=-7

• x= 0 or x= 19

• x=5 or x=14

Determine the roots of the following quadratic equation.

• x=0 or x=3

• x= 2 or x=4

• x= 4 or x= 1/3

• x=5

Solve the following quadratic equation.

• x=0 or x=-6

• x= 0 or x=6

• x= -2 or x= 8

• x=2 or x=8

• yes

• no

• yes

• no

• yes

• no

• yes   

• yes   

• no 

• no 

Determine the roots of the following quadratic equation.

• x=0 or x=3

• x= 1/4 or x=-3

• x= 4 or x= 1/3

• x=-3

Solve (n +7)(n + 9) = 0

• n = -7 or n = 4

• n = 7 or n = -9

• n = -3 or n = 10

• n = -7 or n = -9

Determine the sum of the roots of the given quadratic equation below: