ALGEBRA 1

CAN SOMEONE PLEASE CHECK TO SEE IF I HAVE DONE THESE CORRECTLY. Thanks for your help.

Solve by completing the square
1. X^2-6x=16
X^2-6x + (-6/2) ^2=16+ (-6/2) ^2
X^2-6x+36/4= 16+36/4
(X-6/2)=100/4
X-6/2= +or - 10/2
X=6 + or - 10/2
X=-4, X=8


2. 2x^2-3x+1
2x^2-3x=-1
X^2-3/2x=-1/2
X^2-3/2x +(-3/2)^2 =-1/2+(-3/2)^2
X^2-3/2+9/4 =-1/2+9/4
X+3/2=7/4
X+3/2=+ or - sqrt7/4
X=-3 + or – sqrt 7/2
X= -3+sqrt7/2 , x=-3-sqrt7/2



Put the values in the letters and see if you get the right answer

For example

Put the value for your first answer as

-4 squared - 6(8) = 16

See if it works in this way

No1 in line 4
why don't your reduce 6/2 to 3
line 4 would read (x-3)^2 = 25
then x-3 = +/- √25
x-3 = +/- 5
then x=8 or x = -2

no 2 you have to take 1/2 of 3/2 which would be 3/4.
then 3/4 squared is 9/16

so line 4 should read

x^2 - (3/2)x + 9/16 = -1/2 + 9/16
.
.
.
(x-3/4)^2 = 1/16
..

x=1 or x=1/2

  1. 👍 0
  2. 👎 0
  3. 👁 99

Respond to this Question

First Name

Your Response

Similar Questions

  1. Ed Tech plz helppppp

    What does it mean to troubleshoot your computer? identify problems with your computer and attempt to fix them*** to open your computer to see what's missing from the hard drive to switch the mouse and keyboard plugs to download

    asked by Abigail on August 22, 2017
  2. math

    solve algebraically and check y=8x+3 y=-4x-21 8x+3=-4x-21 +4x +4x 12x+3=-21 -3 -3 12x=-24 x=-2 y=8x+3 y=8(-2)+3 y=-16+3 y=-13 (-2,-13) check y=8x+3 -13=8(-2)+3 -13=-16+3 -13=-13 y=-4x-21 -13=-4(-2)-21 -13=8-21 so -13=-13 these

    asked by B8 on January 11, 2014
  3. language art CHECK

    Will somebody please check this for me and see if i used the words correctly please? Having spent many years as political opponents, the two senators have developed a(n)MUTUAL respect for each other. Please check if it is correct.

    asked by saranghae12 on January 17, 2012
  4. English

    Identify the sentence that is punctuated correctly. A. Here is our check, Mr. Vons, for $7.35. B. Here is our check Mr. Vons, for $7.35. C. Here is our check, Mr. Vons for $7.35. D. Here is our check Mr. Vons for $7.35. c

    asked by Susan on May 6, 2014
  5. English

    Identify the sentence that is punctuated correctly. A. Here is our check, Mr. Vons, for $7.35. B. Here is our check Mr. Vons, for $7.35. C. Here is our check, Mr. Vons for $7.35. D. Here is our check Mr. Vons for $7.35. D

    asked by Angela on April 29, 2014
  6. 7th grade math check

    Ok I was wondering if you could check these 3 problems please. I am suppose to set these equations equal but I am not sure if did them right. I think I accidently solved these systems as substitutions. The answers are suppose to

    asked by saranghae12 on April 12, 2012
  7. Rational Inequality with Absolute Value

    Here's a question I'm having trouble with: |x|/|x+2|=0 and x+2>0, x must be greater than or equal to zero. When I solved for x in this case, I got x>-4. Reconciling the constraints leaves me back at x>=0. Did I do that correctly?

    asked by Randy on March 26, 2011
  8. Math 222

    I need someone to check this to see if I am doing it correctly. k^3+k k^2+k-42 k(k^2+1) (k+7)(k+6) k=-7 k=6 (-0,-7)(-7,6) (6,0)

    asked by Raven on April 2, 2015
  9. english

    I need help labeling complements in my sentences. I am not sure if I am doing this correctly or not. Could you please check to see if I have the following parts of speech labeled correctly? I must identify the subject, verb and

    asked by Lizzy on September 6, 2009
  10. Math 222

    Please check this to see if I am doing it correctly. g^2-6g-55/ g g=0 Because you can not divide by zero

    asked by Raven on April 2, 2015
  11. Chemistry

    I think these I know how to do ....just want someone to check..still sorta mixed up on the first question. Thanx For the following reaction, what is the correctly balanced reduction half-reaction? Fe(OH)3(s) + Cu(s) → Fe(s) +

    asked by Mark on March 18, 2010

More Similar Questions