Solve the quadratic equation.

2x2 - 11x - 21 = 0

A) -

3

2

and 7

B)

3

2

and - 7

C) -

2

3

and

1

7

D)

2

3

and -

1

7

Question

Dale Stout

Mathematics

13 June, 08:26

Solve the quadratic equation.

2x2 - 11x - 21 = 0

A) -

3

2

and 7

B)

3

2

and - 7

C) -

2

3

and

1

7

D)

2

3

and -

1

7

+2

Answers (1)

Know the Answer?

Cael Camacho · Answer 1

A) - 3/2 and 7

Step-by-step explanation:

this equation factors to (2x+3) (x-7)

the goal is to solve for 0

if 2x+3=0 then x=-3/2

if x-7=0 then x=7

Solve the quadratic equation.2x2 - 11x - 21 = 0A) -32and 7B)32and - 7C) -23and17D)23and -17

Solve the quadratic equation.

2x2 - 11x - 21 = 0

A) -

3

2

and 7

B)

3

2

and - 7

C) -

2

3

and

1

7

D)

2

3

and -

1

7