X+ y=-4
x +2y=13
using elimination method

Recall the definition of a polynomial expression. find two polynomial expressions whose quotient, when simplified,is. use that division problem to determine whether polynomials are closed under division. then describe how theother three operations-addition, subtraction, and multiplication-are different from division of polynomials.

Find the slope of the line passing through a pair of points

What’s the answer ? use the picture to see the problem