Tuesday

September 23, 2014

September 23, 2014

Posted by **JaneLee** on Wednesday, November 28, 2007 at 6:46pm.

Solve by the quadratic formula. Leave the square root in your answer:

3x2 – x – 8 = 0

- Algebra II -
**Michael**, Wednesday, November 28, 2007 at 9:46pmFactor the first one by setting each term equal to 0.

2x - 3 = 0

2x = 3

x = 3/2

Do the same process for 3x - 5.

For the second, look over the Quadratic Formula. It states that for an equation ax^2 + bx + c, x will equal the opposite of b plus or minus the square root of b squared minus 4ac all over 2a. (Look it up for the formula equation. It's difficult to type.) All you have to do is identify a, b, and c, and then plug it into the QF. You will have two answers, one using the plus and one using the minus.

**Answer this Question**

**Related Questions**

Algebra - Use the quadratic formula to solve the equation. Give exact answers: ...

Pre Algebra - Please help me with some problems. Thank you! Solve the equation ...

math - is these answers correct? solve the equation: 2x^2 +8x - 17=(x +2)^2= x=-...

algebra - 1.)correct 2.)wrong---> the first term is wrong 4(3a^2)^2 = 36a^4 3...

algebra - 1)Write the expression 9n^6+7n^3-6 in quadratic form,if possible A.9(n...

Algebra - Solve 2+ the square root of 4-x=x what is your question? ok lets start...

Algebra - I was given this answers to a problems I solved but I do not ...

Algebra - I was given this answers to a problems I solved but I do not ...

Algebra - 69: 16x^2+8x-3. I inserted this into the quadratic formula and got -8...

algebra - Solve equation by using the quadratic formula -3x2-2x-5=0