Question

a rectangular garden is 10ft long than it is wide. its area is 875ft^2. WHAT ARE ITS DIMENSION? help please >.<

Answer 1

Let width be w..
acc to the question its length, say l will be equal to w+10
Area=w*l=w*(w+10)=875
Solve this equation and find the values of w and l..

Answer 2

is that w* length or 1 ?

Answer 3

is it 9.35?

Answer 4

width*length is the area..
your equation would be w^2 + 10w - 875=0..
you just need to solve this quadratic..

Answer 5

howcome its 10w-875=0?

Answer 6

shouldn't it equal 875 instead of zero?

Answer 7

w*(w+10)=875
==> w^2 + 10w=875
==> w^2 + 10w - 875=0

Answer 8

and than i do the plus or minus square root of b^2-4ac divided by 2a?

Answer 9

Discriminant D= b^2 -4ac
x= [-b (+/-)D]/2a..
this is the quadratic formula..

Answer 10

yup

Answer 11

you just need to use this and find the answer.