# college math 209

posted by .

use the quadratic formula to solve for x, 3x^2 + x -8=0

• college math 209 -

x = - b ± (sqrt(b^2 - 4ac))/2a

3x^2 + x - 8 = 0

a = 3, b = 1, c = -8

what do you need help with?
I gave you the formula, you give it a try, post your work if you get stuck.

• college math 209 -

when you see list of results click on:

and you will see solution Step-by-step

• college math 209 -

I really need help with my math/209 I took 208 3 years ago, and now I am taking the second part and I am so lost. How can I get some help.

## Similar Questions

1. ### math,algebra

can someone help me out factor out this 0=16t^2-122t+180 i have so far this but the last one i am not sure 8(2t^2-14t + ?
2. ### Math

Use the quadratic formula to solve each of the following quadratic equations... 1. 2x^2-5x=3 2. 3x^2-2x+1=0 Rearrange the equation in quadratic formula form. 2x^2 -5x -3 = 0 Then use the formula. Tell me what you don't understand about …
3. ### math

use the quadratic formula to solve this equation. 4x^2-8x+3=5 use the formula x=-b + or - the sqrt of b^2-4ac/2a yes, the 2a divides into all. Memorize it.
4. ### College Math II

Solve by using the quadratic formula. x^2 + 6x + 6 = 0 I am having problems using the quadratic formula to get the right answer. Can someone show me the steps that I use?
5. ### College Algebra

Solve the following equation in the complex number system x^4+x^3+4x^2+10x-60=0 College Algebra - Reiny, Monday, January 2, 2012 at 11:49pm hint x = 2 and x = -3 are roots so either do long division by x-2 and x+3 to get a quadratic …
6. ### math

(4.35E-2 - x)(7.56E-2 -x ) ============================ (0.324 + 2x)2 Rearrange to get an expression of the form ax2 + bx + c = 0 and use the quadratic formula (solve for x. This gives: x = 1.05E-2, 0.143 basically i understand they …
7. ### math help

write the quadratic equation whose roots are -4 and -5 and whose leading coefficient is 5 use the letter x to represent the variable. use the quadratic formula to solve for x 4x^2-9x+3=0
8. ### Math

Solve for the zeros of the function using the quadratic formula. 3x^2=-4x+6 I know what the quadratic formula is but when I put it into the formula I keep getting an error on the graphing calculator.
9. ### College Algebra

Use quadratic formula to solve: 5x^2-10x+6=0
10. ### College Algebra

Use the quadratic formula to solve the equation: 2x^2=-5x-7

More Similar Questions