Question Solve the equation r=29Alternative Form r=4.5 Evaluate 2r=9Divide both sides 22r=29Solution r=29Alternative Form r=4.5 Show Solution Rewrite the equation 4x2+4y2=81 Evaluate 2r=9Square both sides of the equation (2r)2=92Evaluate 4r2=92To covert the equation to rectangular coordinates using conversion formulas,substitute x2+y2 for r2 4(x2+y2)=92Evaluate the power 4(x2+y2)=81Solution 4x2+4y2=81 Show Solution Graph