Friday

October 24, 2014

October 24, 2014

Posted by **Naomi** on Tuesday, November 30, 2010 at 11:32pm.

- Math -
**PsyDAG**, Wednesday, December 1, 2010 at 12:57pmLet x = height of wall and use Pythagorean theorem.

x^2 + x^2 = (x+2)^2 = x^2 + 4x + 4

Move all terms to left hand side of equation.

x^2 - 4x - 4 = 0

Unfortunately, I don't see how to factor this.

**Answer this Question**

**Related Questions**

algebra - A ladder is resting against a wall. The top of the ladder touches the ...

math- solving quadratic equations by factoring - a ladder is resting against a ...

Math - A 13 foot ladder is leaning against a vertical wall. The distance from ...

Algebra 1 - A ladder is resting against a wall. The top of the ladder touches ...

algebra 2 - a ladder is resting against a wall. the top of the ladder touches ...

math - A ladder leans against a brick wall, The top of the ladder touches the ...

Math - A ladder is placed against a wall, with its base 2 m from the wall. The ...

Calculus - related rates: a ladder, 12 feet long, is leaning against a wall. if ...

Calculus - A 17 foot ladder is leaning against a wall. The bottom of the ladder...

Calculus - 1a. 15 ft ladder is placed against a vertical wall. the bottom of the...