pls help is 4x*2- 22=*2+5 a quadratic expression? if it is, rewrite it in the form ax*2+bx+c= 0. oh and this *2 means the power of two.

What properties allow transformation to be used as a problem solving tool

Does the point (1, sqrt 7) lie on circle shown.

Graph g(x)=2cosx . use 3.14 for π . use the sine tool to graph the function. graph the function by plotting two points. the first point must be on the midline and closest to the origin. the second point must be a maximum or minimum value on the graph closest to the first point.