Question

Y= -x^ - 2x - 1. Titik potong sumbu x (y=0) yaitu...

Answer 1

X=> y=0
y=-x^-2x-1
0=-x^-2x-1
0=(-x-1)(x+1)
0=-x-1=0 v x+1=0
0=-x=1. V x=-1
0= x=1/-1
x=-1
jadi sumbu x= -1 (-1,0)