The first derivative of x^2+2y^2=16 is -x/(2y), the second is -(2y^2+x^2)/(4y^3). find the third implicit derivative of x^2+2y^2=16.

Reflect the point (7,0) across the y-axis

Rob spent 25%, percent more time on his research project than he had planned. he spent an extra h hours on the project. which of the following expressions could represent the number of hours rob actually spent on the project? two answers

Solve each equation using the quadratic formula. find the exact solutions. 6n^2 + 4n - 11