Select the correct answer. Which equation could be solved using this application of the quadratic formula?

x=-8±√8²-4(3)(-2) / 2(3)

Answer choices are:

A. -2x² − 8 = 10x − 3
B. 3x² − 8x − 10 = 4
C. 3x² + 8x − 10 = -8
D. -2x² + 8x − 3 = 4

Find the length of cu, the triangles are similar.

Mrs. morton has a special reward system for her class. when all her students behave well, she rewards them by putting 3 marbles into a marble jar. when the jar has 100 or more marbles, the students have a party. right now, the the jar has 24 marbles. how could mrs. morton reward the class in order for the students to have a party?

Since opening night, attendance at play a has increased steadily, while attendance at play b first rose and then fell. equations modeling the daily attendance y at each play are shown below, where x is the number of days since opening night. on what day(s) was the attendance the same at both plays? what was the attendance? play a: y = 8x + 191 play b: y = -x^2 + 26x + 126