What is the sum of the geometric series in which a1 = 4, r = 3, and an = 324?

2x - 20 = 32 20 - 3x = 8 6x - 8 = 16 -13 - 3x = -10

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

If x=-3 is the only x-intercept of the graph of a quadratic equation, which statement best discribes the discriminant of the equation?