Find the real or imaginary solution by factoring

x^4-12x^2=64

Find parametric equations for the line tangent to the curve of intersection of the surfaces at the given point. surfaces: xsquared2plus+2yplus+2zequals=1212 yequals=33 point: left parenthesis 1 comma 3 comma five halves right parenthesis

Find the slope of the line that contains the following points. r(-2, 4), s(6, -2)

What is the rate of change of a line that passes through (2,-5) and (6,-2)?