If x=-7 and y=3x+2, then y equals what number?

What number should be added to the expression x^2+3x+ in order to create a perfect square trinomial? 3/2 3 9/4 9

Which sentence uses an objective tone? we will plant the best garden of any school in the area. the new campus garden will surely be envied by other schools. a garden would provide numerous benefits to the students. you will probably agree that gardens have many benefits.

Which describes the difference between the graph of f(x)=x^2 and g(x)=-(x^2-2)