Question

please help! sqrt{xsquared-x-5}=5

A. -5
B. -6
C. 6
D. -5, 6

Answer 1

\[\sqrt{x^{2}-x-5}=5\] is this your problem ?

Answer 2

yes!:)

Answer 3

couldn't find a solution

Answer 4

Start by squaring both sides.

Answer 5

i just need the answer please

Answer 6

Nope, not doing your work for you.

Answer 7

D. -5,6

Answer 8

you sure tennis?

Answer 9

you sure tennis?

Answer 10

98.25% sure

Answer 11

So yeah pretty sure :D

Answer 12

i see where i went wrong teinis is right

Answer 13

thankyou tennis so much! i have more questions like this would you be willing to help me? :)

Answer 14

solve for x \[- \sqrt{x}=-1\]

A. 0
B. -1
C. 1
D. No solution

Answer 15

1

Answer 16

solve for x \[\sqrt{x squared+8x}=4\sqrt{3}\]

A. -12
B. -4
C. 4
D. -12, 4

Answer 17

sorry i did not respond but my little brother pulled my power cord to my computer :( but the answer to that first question is -5,6 because when you square both sides to get rid of that square root you get \[x^2 - x -5 = 5^2=25 \]\[x^2 -x-30=0\]\[(x-6)(x+5)\]so x=-5 or x=6