Algebra word problems?

@Sorathian (4329)
Pakistan
January 25, 2007 6:24am CST
Solve the following problems involving applications of polynomials. 1. Three consecutive even integers are such that the square of the third is 76 more than the square of the second. Find the three integers. 2.A rectangular parking lot is 50 ft longer than it is wide. Determine the dimensions of the parking lot if it measures 250 ft diagonally.
2 responses
RAMPersona
@RAMPersona (2033)
• Philippines
10 Mar 07
the answer to question #1 is nos. 15, 17, and 19. and for #2, W .= 60 ft and L .= 110 ft.
RAMPersona
@RAMPersona (2033)
• Philippines
10 Mar 07
pardon me, the answer to question #2 is, W .= 150 ft and L .= 200 ft.
cubbycubz
@cubbycubz (27)
• Philippines
23 Mar 07
for problem #2. from pytagorian theorem formula, c^2=-a^2+b^2. given: c=250,a=x and b=x+50 substitute: 250^2=x^2+(x+50)^2 250^2=x^2+x^2+50^2 250^2=2x^2+50^2 250^2-50^2=2x^2 200^2=2x^2 x=100 The size of rectangle is L=x+50 and W=x. So substitute. L=100+50=150 and W=100.