# math

posted by .

I'm doing solving quadratic equations.I need help with couple of problems. k(k+5)=0,4r^2=100

## Similar Questions

I am trying to define the different appraoches to solving quadratic equations. My book says using quadratic formula, completing the sqaure and factoring. I thought completing the square would be by facotring?
2. ### Math(solving a quadratic by factoring)

Ok I get most of the problems except for these last two. x^2-16=0 and x^2=36 I seem to have trouble with the simplest of problems and none at all with the hard ones.
3. ### math 012

Hi, I am trying to do homework for my math 012 class- solving linear equations- and I need help with 9 of the problems. I would really appreciate any help with this. I can do the problems and send them to you, or however you prefer. …
4. ### MATH

I've been having problems with solving equations that involve fractions with the following problem can I get some help for solving equations that involve fractions?
5. ### Chemistry

When solving Hess law problems,do we need to use all the equations given to get the Htotal or just choose the relevant equations that are related to the final equation required?
6. ### Math 8R - help!!!!!!!!!!!!!

Multi-Step Equations Solving Equations with Variables on Both Sides 1) 5y + 4 = 4y + 5 11a + 9 = 4a + 30 2w + 3 = 4w - 5 2) 3a - 10 = 4 + a 2x - 1 = x - 3 6n + 4 = n - 11 3) 29r + 4 = 28 + 13r 7x - 11 = -19 + 3x 4) b + 3 = 2b - 7 I'm …
7. ### Math help

I need help on these problems. There over solving equations by factoring. Don't get it at all. 1. (Y+5)(Y-7)=0 2. 2n(n-20)=0 3. (2t-3)(3t-2)=0 4. (2u+7)(3u-1)=0
8. ### Math help

I need help on these problems. There over solving equations by factoring. 1. 4x^2=9 2. M^2-36=16M 3. R^2+9=10r 4. 6s^2=17s-12
9. ### Math help

I need help on these problems. There over solving equations by factoring. 1.4x^2=8
10. ### MATH

Which method of solving quadratic equations should be used when only an estimated solution is necessary?

More Similar Questions