Which equation shows the quadratic formula used correctly to solve 7x2 = 9 + x for x?
-11 101)2-47(9)
1
x= -1 ± √(1) 2
2(7)
12v(-(7) (9)
2(7)
x=-11 v(-1)2 +4(7)(9)
2(7)
11 | (-1)2 +4(7)(9)
2(7)

Segment xz is bisected by point y. if xy = 12x, and the measure of xz = 18x – 6, solve for x

Anew shopping mall is gaining in popularity. every day since it opened, the number of shoppers is 5% more than the number of shoppers the day before. the total number of shoppers over the first 10 days is 1258 how many shoppers were on the first day?

If the ratio of sum of the first m and n terms of an ap is m2 : n2 , show that the ratio of its mth and nth terms is (2m − 1) : (2n − 1).