Wednesday

August 27, 2014

August 27, 2014

Posted by **Rowley** on Sunday, August 22, 2010 at 9:55am.

x²-2x-15 ≤ 0

please help :)

- Math -
**Jen**, Sunday, August 22, 2010 at 10:01amYou want to get two numbers that multiply to the last term (-15) and add to the middle term (-2). These numbers are -5 and 3. (x-5)(x+3) is your answer

- Math -
**Rowley**, Sunday, August 22, 2010 at 10:14amoh so thats it? lol i did that but i thought it wasnt correct and i've been trying other methods for the past hour. thatnx alot :)

- Math -
**Jen**, Sunday, August 22, 2010 at 11:30amLOL..you're welcome

**Related Questions**

algebra 1 help please - 4) a student score is 83 and 91 on her first two quizzes...

Algebra 2 - Solve. 4a-2≤a+1≤3a+4 4a-2-1≤a+1-1≤3a+4-1 4a-...

Math - Solve the inequality. Then graph the solution on a number line. -16 is ...

Pre Calculus - sec x = -2 , π ≤ x ≤ 3π Use a calculator to...

MATH Calculus Homework PLEASE HELP! - Let T be the triangle 1≤x≤2, 0...

PreCalc - I'm not sure how to solve these with calculator. sec x = -2 , π...

Math - Minimize C=7x+3y+4z 0≤x 0≤y 0≤z 100≤2x+3y+3z 120...

Math - Minimize C=7x+3y+4z 0≤x 0≤y 0≤z 100≤2x+3y+3z 120...

Math - What is the volume of the structure bounded by the regions x^2+2y^2+z&#...

Trigonometry - Can you please help me solve this trig equation for 0 ≤ x...