Click here to see ALL problems on Equations; Question 415974: graph xy=12 Answer by MathLover1(20837) (Show Source): . You can put this solution on YOUR website! graph

xy=12, (x^2+y^2)=25 then what is the value of (x+y)2^2; Observing , it's obvious that x and y MUST be 3 and 4 Likewise x and y MUST be 3 and 4 as xy = 12 Proving this, we get:-----> , which becomes: 25 + 2(12) = 25 + 24 = 49 Since , then x + y = 7 ----- …

Question 1200186: The equation of a curve xy = 12 and the equation of a line L is 2x + y = k, where k is a constant. i) In the case where k = 11, find the coordinates of the points of intersction of L and the curve. ii) Find the set of values of & for which I does not intersect the curve. Answer by math_tutor2020(3801) (Show Source):

You can put this solution on YOUR website! x2+y2=25 xy=12-----Solve the 2nd equation for y and substitute into the 1st equation.

XY=12, YZ=2x, And XZ=28 Answer by fcabanski(1391) (Show Source): You can put this solution on YOUR website!

Question 251286: I need help making a coordinate table for this equation: xy = 12 Answer by checkley77(12844) ( Show Source ): You can put this solution on YOUR website!

Question 213996: Please help me solve the substituation x+y=12 and x-y=-4. I can't figure out how to solve these

You can put this solution on YOUR website! Add the 2 equations to solve for x & y x-y = -8 x+y =12 when u add,we get,

Question 1001182: How do you graph xy=-12 Answer by Edwin McCravy(19982) (Show Source):

You can put this solution on YOUR website! x+y=6 x-y=12 solve the second eqution for x x=12+y substitute 12+y in for x in the first equation