Which of the following points is a solution to the system of inequalities shown graphed below? 1.(-3,1)
2.(-1,4)
3.(3,-2)
4.(-2,-4)

Lin is writing an equation to model the proportional relationship between y, the total cost in dollars of downloading videos from a website, and x, the number of videos downloaded. she knows that the total cost to download 3 videos was $12. her work to find the equation is shown below. joylin’s work step 1 k= 3/12= 0.25 step 2 y= 0.25x where did joylin make her first error?

Which is f(5) for the function –2x2 + 2x - 3?

Which graph has figures that can undergo a similarity transformation to justify that they are similar? (obviously not the third one)