Question

8. Write a function rule for the area of a rectangle whose length is 5 in. more than its width. What is the area of the rectangle when its width is 8 in.?

Answer 1

@Directrix

Answer 2

@dmezzullo

Answer 3

help

Answer 4

in general \[A=wl\] width times length

Answer 5

since the length is 5 more than the width, you can write \(l=w+5\) and replace \(l\) in \[A=wl\] by \(w+5\)

Answer 6

\[A=w\color{red}l\\
A=w\overbrace{l}^{(w+5)}\]