Equation 4: You decide what type of parabola you would like to create by answer the following questions: Does your parabola open up or down? Is there a vertical stretch or vertical compression? What is the y-intercept?

38+105= 143, 39+104=143, and you will find then adding the numbers on opposite sides, moving inwards yields the answer 138 every time. because of this, you’re going to multiply 138 times the number of pairs, which is 34. therefore, 34*138= 4692(i’m sorry if it’s the wrong numbers, but it’s the right concept)

Hope this ; )