Check Given the equations, identify which way the parabola opens by matching an equation on the left with a term on the
right

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.

1. what are the missing reasons in the proof 2. it's in the second picture and 3

Use the graph of the sine function y=2sinθ shown below