Which points on the curve of x^2-xy-y^2=5 have vertical tangent lines? A. (1,-2)

B. (2,-1) and (-2,1)

C.(0,square5)

D.(4,-2) and (-4,2)

E. There are no verticaltangents in this curve

Worth 15 points handsome jack is buying a pony made of diamonds. the price of the pony is p dollars, and jack also has to pay a 25% diamond pony tax. which of the following expressions could represent how much jack pays in total for the pony? a= p = 1/4 b= p+0.25p c=(p + 1/4)p d=5/4p 0.25p choose 2 answers

How does reflecting or rotating a figure change the interior angles of the figure?

Reinel saves 30% of every pay check. his paycheck last week was 560$. how much did reniel save last week?