How are the different types of linear equations similar and how are they different?

When the solutions to each of the two equations below are graphed in the xy-coordinate plane, the graphs of the solutions intersect at two places. write the y-cordninates of the points of intersection in the boxes below in order from smallest to largest. y=2x y=x^2-3

Abacteria population is tripling every hour. by what factor does the population change in 1/2 hour? select all that apply

If (x-2) 2= 49, then x could be a. -9 b. -7 c.- 2 d. 5 e.9