The student messed up on step one. The proper factoring is (x-4) (x+2)
Answer:
(6, 12)
Step-by-step explanation:
{ 3x - y = 6
{ x - 2y = -18
by using elimination:
6x -2y=12
x - 2y= -18
________-
5x = 30
x = 6
y = 18-6 = 12
the solutions = {(6, 12)}
Answer:
d
Step-by-step explanation:
Answer:
yes
Step-by-step explanation:
1/4 = 0.25