7. what’s the answer to this question

Which property is illustrated by the following statement? if hxa rgi, then rgi hxa.

What is the anwers for 9+2x=5x-3-x

Heather is writing a quadratic function that represents a parabola that touches but does not cross the x-axis at x = -6. which function could heather be writing? fx) = x2 + 36x + 12 = x2 - 36x - 12 f(x) = -x + 12x + 36 f(x) = -x? - 12x - 36