math,correction

posted by .

is this correct?

factor completely: 9x^2-4

my answer: x is approx. +/- ((sqrt (14)/(3))

nope
(3x-2)(3x+2)

nope
(3x-2)(3x+2)

Respond to this Question

First Name
School Subject
Your Answer

Similar Questions

  1. Math

    Is .04 = to 4/10? nope.... .04 is 4/100 .4 is 4/10
  2. Math

    Is this correct: sqrt2/sqrt10=sqrt2/5sqrt2 nope. it would be sqrt2/(sqrt5)(sqrt2) no.d sqrt2/sqrt10= sqrt (2/10)= sqrt (1/5) sqrt 0.2 thanks can you help me with this please?
  3. Math, correction

    the directions are perform the indicated divisions. so the problem is: (x^2-2x-35)/(x+5) so these are the steps i took: (-36x^3)/(6x)= so my answer was: -6x^2 Nope. Factor the numerator, one of the factors will be x+5, which will divide …
  4. math,correction

    can someone check these for me please.... problem#4 Directions: Factor each polynomial completely by factoring out any common factors and then factor by grouping. Do not combine like terms. 3a^3+3ab^2+2a^2b+2b^3 My answer: (a^2+b^2)(3a+2b) …
  5. math,correction

    Can someone correct these for me plz... Problem#6 Factor. x(x-5)-2(x-5) My answer is: (x-2)(x-5) Problem#7 Factor completely. x^2-x-6 My answer is: (x+2)(x-3) Problem#8 Factor completely. 35x^2+40x+5 My answer is: (7x+1)(5x+5) Problem …
  6. math,correction

    i am really trying is this correct. solve: 5(x-2)^2 = 3 MY ANSWER THAT I GOT IS: X = 2 +- (SQRT (3) )/(5) no. 5(x-2)^2 = 3 (x-2)^2 = 3/5 x-2 = +- sqrt (3/5) x= 2 +- sqrt (3/5) so the whole fraction of 3/5 is inside the sqrt yes
  7. math,correction

    is this correct: solve: 5(x-2)^2=3 My answer: (10 +/- sqrt 15)/(5) looks like you expanded, then used the formula and you got the right answer properly reduced. I think you are getting this!!! I don't want to confuse you but I would …
  8. math,correction

    is this correct: solve by using the quadratic formula 5x^2+x=3 what i keep getting is this: (-1 +/- sqrt 61)/(10) or should i reduce the denominator to 5 or is my whole answer incorrect?
  9. math,correction from previous post

    can someone please correct this for me thanks. simplify: 7sqrt(7x) + 5 sqrt (7x) My work: (7+5)sqrt (7x) My answer: 12sqrt (7x) is this correct?
  10. 8th grade algebra

    Hello! I was working on a maths thing and I'm a bit lost on this one problem, would anyone mind explaining how to do this?

More Similar Questions