The number of dollars in x quarters

Write the point-slope form of the line passing through (2, -12) and parallel to y=3x.

Using elimination, what is -4x+2y=-12 4x+8y=-24

Will mark determine whether the conjecture is true or false. give a counterexample for any false conjecture. given: points r, s, and t conjecture: r, s, and t are coplanar. a) false; the points do not have to be in a straight line. b) true c) false; the points to not have to form right angles. d) false; one point may not be between the other two.