Astudent uses the division shown to divide –3x4 15x3 – x 5 by x – 5, and concludes that x – 5 is not a factor of the polynomial. describe two errors the student made. is x – 5 a factor? explain.

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.