4x+y= 6
-5x-y=21 what is the answer

Solve each quadratic equation by factoring and using the zero product property. 10x + 6 = -2x^2 -2

What does independent variable and dependent variable mean in math?

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.