The area of a rectangular pool is given by the trinomial 2y^2+5y-42 . What are the possible dimensions of the pool? Use factoring.
a. 2y+7 and y-6***
b. 2y-2 and y+6
c. -2y-7 and -y-6
d. 2y-7 and y+6
tbh im guessing. i have no clue. can someone help explain?
1- B
2- D
3- A
4- B
5- A
6- D
7- A
8- C
9- A
10- D
Just factor 2y^2+5y-42
2y^2+5y-42
= (2y - 7)(y + 6)
expand it, to show it is correct
^^^ 100%
person above me is 100% correcto, at least for honors maths. i don't know about the other guys, but i can guarantee this.
correcto as of 2021, mis amigos. ¡gracias!
(i'm learning spanish, sorry if i insert too many spanish quotes now and then :))