Answer:
Step-by-step explanation:
-5<x<4. The 3rd answer.
45. divide the first set of x and y by 2 then multiply by 9 to get 45 for y and 18 for x
??? I don’t understand the question I don’t speak Spanish
I hope this helps you
x^2+x-5=0
disctirminant = 1^2-4.1. (-5)
disctirminant = 1+20=21
x1= -1+ square root of 21/2
x2= -1- square root of 21/2
