When point b (5, -1) is rotated 180º about the origin, its coordinate becomes (-5, 1). true false

Find the gradient of f(x,y,z)equals=left parenthesis x squared plus y squared plus z squared right parenthesis superscript negative 1 divided by 2 baseline plus ln left parenthesis x right parenthesis x2+y2+z2−1/2+ln(xyz) at the point left parenthesis negative 2 comma 1 comma negative 2 right parenthesis(−2,1,−2).

Which math sentence can be used to determine if the triangle is a right triangle?

F(n + 1) = f(n) – 8. if f(1) = 100, what is f(6)?