Question

quadratic formula?

Answer 1

problem is x^2+5x-14=0

Answer 2

x=2,-7

Answer 3

- 5 +/- root (5^2 - 4 x 1 x -14)
x = -----------------------------
2 x 1

Answer 4

thanks :)

Answer 5

help with X^2+8x+5=0

Answer 6

-5 +/- root (81) -5 +/- 9
x = --------------- = ----------
2 2

- 14 4
so x = -------- or x = ------
2 2

so x = -7 or x = 2

Answer 7

this was the answer for first ques

Answer 8

thanks can u gie me the answer to the 2nd?

Answer 9

thanks can u gie me the answer to the 2nd?

Answer 10

thanks can u gie me the answer to the 2nd?

Answer 11

wait

Answer 12

ok

Answer 13

-8 +/- root (8^2 - 4 x 1 x 5) -8 +/- root(64 -20) -8 +/- root(44)
x = ------------------------ = ----------------- = ---------------
2 x 1 2 2

-8 +/- 2root(11)
so x = ----------------
2

-8 + 2root(11) -8 - 2root(11)
so x = --------------- or x = -------------
2 2

2{-4 + root(11)} 2{-4 - root(11)}
so x = ----------------- or x = ---------------
2 2

so x = -4 + root(11) or x = -4 - root(11)

Answer 14

Got it??