Saturday

August 2, 2014

August 2, 2014

Posted by **Amber** on Thursday, May 16, 2013 at 5:36pm.

Write an equation that can be used to determine the area (A) of the rectangle in terms of x.

What is the value of x if the area of the rectangle is 56 square inches?

- Algebra -
**Damon**, Thursday, May 16, 2013 at 5:40pm(x+1)(x+2) = A

x^2 + 3 x + 2 = A

x^2 + 3 x + 2 = 56

x^2 + 3 x - 54 = 0

(x+9)(x-6) = 0

x = 6

**Related Questions**

Basic Algebra - The width of a rectangle is x inches long. The length of that ...

algebra - The length of a rectangle is 5 inches longer than its width. Its ...

math - The length of a rectangle is 3 inches more than its width. If the area of...

geometry - the length of a rectangle is 9 inches. write an expression for the ...

Math - Determine the perimeter and area of a rectangle that has a width of 6 ...

Algebra Homework, HELP! - 1) A rectangle has an area of 297 square inches and a...

Algebra - Solve the problem. A rectangle with width 2x + 5 inches has an area of...

math ,correction - Directions: Solve each of the following problems. Be sure to ...

math - The iength of a rectangle is 3 inches greater than its width and its area...

math - the perimeter of rectangle y is equal to its area. rectangle z has the ...