If a storm window has an area of 315 square inches what are the dimensions if the window is 6 inches higher than it is wide (x represents height) ?

Question

Angel Velazquez

Mathematics

2 February, 13:40

If a storm window has an area of 315 square inches what are the dimensions if the window is 6 inches higher than it is wide (x represents height) ?

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Heidy Hebert · Answer 1

Hey there! The formula for area is area=l*w, l=w+6. Let's begin, 315 = (w+6) (w), 315=w^2+6w, 0=w^2+6w-315, 0 = (w+21) (w-15), w+21=0w-15=0, w=-21w=15. Therefore, we come up with a answer of w=15 and l=21.