50,284 views
41 votes
41 votes
Use the quadratic formula to solve the quadratic equation 2x²-3x -4 = 0.

Separate multiple solutions with commas if necessary.

User Jordsti
by
3.0k points

2 Answers

8 votes
8 votes

Answer:


(-3+√(23) )/(4) , - (3+√(23) )/(4)

Explanation:

quad formula=
x=\frac{b+/-\sqrt{b^(2) -4(a)(c)} }{a^(2) }

in your case the
2x^(2) is a


-3x is b

and
-4 is c

and plug it in a calculator twice, add the first time and subtract the second time.

User Marin Leontenko
by
2.4k points
18 votes
18 votes

Answer:

Explanation:

4m-3/4=-9+4m/84m-3/4=-9+4m/84m-3/4=-9+4m/84m-3/4=-9+4m/84m-3/4=-9+4m/84m-3/4=-9+4m/84m-3/4=-9+4m/84m-3/4=-9+4m/84m-3/4=-9+4m/84m-3/4=-9+4m/8

User Martin Godzina
by
2.8k points