Holly has a rectangular garden that measures 12m by 14m. SHe wants to increase the area to 255m^2 by increasing the width and the length by the same amount. What will the dimensions be of the new garden ?
-solving that involves quadratic equations
2 answers
New dimensions=15&17
(I4 x)(12 x)=255
168 14x 12x x^2=255
168 26x x^2=255
x^2 26x-57=0..then solve as a quadratic equation
168 14x 12x x^2=255
168 26x x^2=255
x^2 26x-57=0..then solve as a quadratic equation
1 answer