Question Solve the equation r=40 Evaluate 10r=4Cross multiply r=10×4Solution r=40 Show Solution Rewrite the equation x2+y2=1600 Evaluate 10r=4Simplify the expression 101r=4Multiply both sides of the equation by LCD 101r×10=4×10Simplify the equation r=4×10Simplify the equation r=40Square both sides of the equation r2=402To covert the equation to rectangular coordinates using conversion formulas,substitute x2+y2 for r2 x2+y2=402Solution x2+y2=1600 Show Solution Graph
Algebra
Calculus
Trigonometry
Matrix Algebra Calculus Trigonometry Matrix