Monday

December 22, 2014

December 22, 2014

Posted by **Kate** on Tuesday, July 12, 2011 at 9:22pm.

1000x^2 + 2500x - 3851

Use the quadratic formula above and your calculator to solve for x and i.

There are two solutions to the quadratic equation. Which one would you choose? Why?

- Math -
**Max**, Tuesday, July 12, 2011 at 9:34pmChoose the solution that makes sense. Most of the time only the positive solution makes sense.

- Math -
**Max**, Tuesday, July 12, 2011 at 9:42pmSimple example:

I drop a ball from 16 feet up. Its height can be modeled as h = -16t^2 + 16, where h = height in feet and t = time in seconds. When will the ball hit the ground?

16t^2 - 16 = 0

t = -1, 1

It took -1 second? No way.

It took 1 second? Yes!

**Answer this Question**

**Related Questions**

math - Jeanette wishes to retire in 30 years at age 55 with retirement savings ...

Math - Nico was stunned when he opened the mail. Here was a check for $322.50! ...

Finance - Your Uncle has two alternative inheritence for you. A. You receive ...

Math(word problems) - 4.Tracie invested $x at 7% and $y at 6%. Write algebraic ...

math b50 - must answered in sequences/series formulas If the profit earned by a ...

Math - Jerry earned $18,500 one year and then received a 10.5% raise. What is ...

mcc - Larry bought a house for $220,000. After one year, its value appreciated (...

compound interest - If you put away $1000 when you are 21, and you earn 10% per ...

Finance - 9. H Corporation is considering a training program that cost $600,000...

maths-- compound interest - find the compund interest on $2500 for one year at 4...