G greenmath New member Joined Oct 8, 2007 Messages 1 Oct 8, 2007 #1 Hey this problem i have trouble doing: Find the dimensions of the largers rectangle that can be inscribed in a right triangle bounded by the positive x and y axes and the line 2x+8y=8 im confused please help
Hey this problem i have trouble doing: Find the dimensions of the largers rectangle that can be inscribed in a right triangle bounded by the positive x and y axes and the line 2x+8y=8 im confused please help
G galactus Super Moderator Staff member Joined Sep 28, 2005 Messages 7,203 Oct 8, 2007 #2 Solve your line equation for y. Then you will have it in the form y=mx+b The area of the rectangle can be written as A=xy Sub in your line equation for y and you will be entirely in terms of x. Then you have a quadratic. Use x=-b/(2a) to find the x value and y will follow.
Solve your line equation for y. Then you will have it in the form y=mx+b The area of the rectangle can be written as A=xy Sub in your line equation for y and you will be entirely in terms of x. Then you have a quadratic. Use x=-b/(2a) to find the x value and y will follow.
