Lines p contains points a (-7,-9) and b (4,0) . line q is parallel to line p . line r is perpendicular to line q. what is the slope of line r? explain

What basic trigonometric identity would you use to verify that sin x cos x tan x =1-cos^(2)x?

Which is a true statement comparing the graphs of x^2/6^2-y^2/8^2 = 1 and x^2/8^2-y^2/6^2 the foci of both graphs are the same points. the lengths of both transverse axes are the same. the directrices of = 1 are horizontal while the directrices of = 1 are vertical. the vertices of = 1 are on the y-axis while the vertices of = 1 are on the x-axis.

Which graph represents the equation y =4x