Me!

write y = x2 + 2x + 5 in vertex form.

y = (x – 1)2 + 5

y = (x + 1)2 + 5

y = (x + 1)2 + 4

y = (x – 1)2 + 4

y=sec x is the correct answer

~batmans wife dun dun

answer: - (a)

(b) 88 seats

step-by-step explanation:

given: in an auditorium, there are 22 seats in the first row and 28 seats in the second row.

thus first term=

second term=

the number of seats in a row continues to increase by 6 with each additional row.

⇒d= 6

a) given formula :

b)   let the number of seats (n) = 12

substitute n=12 in the explicit rule formed in (a)

∴there are 88 seats in 12 rows.

the answer is -1 1/5, also a

hope i

-lavira : )