The width of a rectangular computer screen is 2 inches more than its height. If the area of the screen is 195 square inches, find its dimensions.
A) $12 \mathrm{in.}$. by $16 \mathrm{in}$.
B) $14 \mathrm{in.}$ by $14 \mathrm{in}$.
C) $26 \mathrm{in}$ by $7.5 \mathrm{in}$.
D) $13 \mathrm{in}$. by $15 \mathrm{in}$.

Question

Quizplus · Accepted Answer

Let the height be $ h $ inches. Then the width is $ h + 2 $ inches. The area is given by $ h(h + 2) = 195 $. Solving the quadratic equation $ h^2 + 2h - 195 = 0 $, we find $ h = 13 $ inches, so the width is $ 15 $ inches. Thus, the dimensions are $ 13 \mathrm{in.} $ by $ 15 \mathrm{in.} $.

The Width of a Rectangular Computer Screen Is 2 Inches 12in.12 \mathrm{in.}12in.

The Width of a Rectangular Computer Screen Is 2 Inches $12 \mathrm{in.}$