Question

MEDAL!!!

Question will be posted below.

Answer 1

\[\huge v^2 - 20 = 0 \]

Answer 2

Solve with quadratic formula

Answer 3

ok have you tried anything yet ?

Answer 4

yes gimme a moment

Answer 5

okay

Answer 6

\[\frac{ -b \pm \sqrt{b^2-4ac}}{ 2a } \]

Answer 7

\[\frac{ -0 \pm \sqrt{0 - 4(-20)} }{ 2 }\]

Answer 8

yes

Answer 9

i thought the new equation would be like:
\[v^2 + 0a - 20 = 0\]

Answer 10

\[\frac{ -0 \pm 8.9 }{ 2 }\]

Answer 11

0v would be better, but yes. v^2 +0v -20 = 0

Answer 12

v^2 -20 is same as `v^2 -0v -20`

Answer 13

well would be great if get the final answer in radical

Answer 14

don't take square of 20
factor it out

Answer 15

square root*

Answer 16

the answer key for this in decimal form...

Answer 17

oh okay then.

Answer 18

\[\frac{ -0 \pm 8.9 }{ 2 } = 4.45 \]

Answer 19

remember it's \[\pm \]

Answer 20

okay so -4.45 or 4.45

Answer 21

yes

Answer 22

^ye right it's \[\rm a \pm b ~= a-b ~~ and ~a+b\]

Answer 23

is my answer correct?

Answer 24

yes it is. if your key says 4.4721... it's only because you cut off some decimals from 8.9

Answer 25

i didn't get 4.4 `5`

Answer 26

but you did solve it correctly.

Answer 27

ok thank you :)