Posted by **lee** on Sunday, October 31, 2010 at 3:41pm.

is these answers correct?

solve the equation: 2x^2 +8x - 17=(x +2)^2= x=-7,3

solve (v-5)^2-63=0, where v is a real number, simplify answer as much as possible. v=3 square root 7+5,-3 square root7+5

v``12.93725, -2.937254

use the quadratic formula to solve for x.

4x^2x-4=0

=x=1+squar root65/8 , 1-square root65/8=x``1.132782,-0.882782

thank yu

- math -
**lee**, Sunday, October 31, 2010 at 3:57pm
Need help quick please!! with provious questions on checking my answers.

- math -
**Reiny**, Sunday, October 31, 2010 at 4:59pm
the first one is correct

the second is correct

third, you have a typo in your equation

the answers are correct if the equation is

4x^2 - x - 4 = 0

- math -
**lee**, Sunday, October 31, 2010 at 5:11pm
Thanks Reiny!!

- math -
**lee**, Sunday, October 31, 2010 at 5:42pm
could you please check this for me? Thanks

use the quadratic formula to solve for x. 4x^2-x-4=0

x=1+ square root 65/8, 1- square root 65/8 = x``1.132782,-0.882782

- math -
**lee**, Sunday, October 31, 2010 at 5:55pm
sorry I have a few more and I need the answers quick!!

Find the value: ^3 square root -27= 9

Write the following in simlpified radical form: ^4 square root 80= 4

Solve for x, where x is real number: square 5x + 9= square root 9x + 13=27

- math -
**lee**, Sunday, October 31, 2010 at 6:06pm
SIMPLIFY:

32 3/5= 15 IS THIS CORRECT?

- math -
**Jen**, Sunday, October 31, 2010 at 6:44pm
No, 32 3/5 cannot be simplified.

- math -
**lee**, Sunday, October 31, 2010 at 6:48pm
is this correct if not can you tell me wha it is please

32 3/5= 163/5

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