SOLUTION: If x+y=16 and xy=3, find the value of a) x^2 +y^2 b) (x-y)^2

Question 1111095: If x+y=16 and xy=3, find the value of
a) x^2 +y^2
b) (x-y)^2
Found 2 solutions by ikleyn, josgarithmetic:
Answer by ikleyn(52814)   (Show Source): You can put this solution on YOUR website!
.

a) = = = you calculate it. b) = = = you calculate it.

-------------
If you want to see other similar solved problems, look into the lesson

    - HOW TO evaluate expressions involving , , and

in this site.

Answer by josgarithmetic(39620)   (Show Source): You can put this solution on YOUR website!

--------------------------------------------

RELATED QUESTIONS
Hey ive got a problem about system of equations involving quadratic equations:... (answered by Alan3354)
Find the value of the xy if x=2 and y=3 (answered by Theo)
If {{{x^2+y^2=85}}} and xy=5, what is the value of {{{(1/x-1/y)^2}}}? A) 5 B) 75 C) 80 (answered by ikleyn)
a) Expand and simplify (x+y)(x^2-xy+y^2) b) If x+y = 1 and x^3 +y^3 = 19, find the... (answered by Boreal,ikleyn)
if x+y=8 and xy=7, find the value of... (answered by ewatrrr)
if x+y=-1 and xy=-12, find the value of... (answered by ikleyn)
If x^2 +y^2 = 40 and xy = 16, compare: A.) (x - y)^2... (answered by venugopalramana)
If xy = 3, xz = 4, and yz = 6, Find the value of x^2 + y^2 + z^2... (answered by Edwin McCravy)
Given that x=3 and y=-2, find the value of... (answered by josgarithmetic)