contestada

the area of a rectangular place mat is 98 inches its length is seven inches longer than the width. find the length and width of the place mat

A

Respuesta :

Answer:

width is 7, length is 14

Step-by-step explanation:

x(x+7) = 98

x^2 + 7x = 98

x^2 + 7x - 98 = 0

( x   +   14 )( x  -   7 ) = 0

x+14=0 results in negative measures

x-7=0 ---> x= 7

width is 7, length is 14