Solve 2x2 - 8x = -7.

Question

Solve 2x2 - 8x = -7.

 

Choose one answer.
A. negative 2 plus or minus square root of 2
 

B. negative 2 plus or minus 2 square root of 2 
 

C. quantity of 2 plus or minus square root of 2 all over 2 
 

D. 2 plus or minus square root of 2 end root over 2 

 

 

Answer 1

Hi May,

 

See quadratic formula from other problem you submitted

 

2x² -8x +7 =0

 

a = 2

b = -8

c = 7

 

plug into quadratic formula and you will get D

 

Answer is D