Answer:
x = 2
y = -3
Step-by-step explanation:
2x + 2y = -2, then 2y = -2 - 2x
3x - 2y = 12, then 2y = 3x - 12
so:
-2 - 2x = 3x - 12
add 2x and 12 to each side of the equation:
5x = 10
divide both sides by 5:
x = 2
2y = 3(2) - 12
2y = -6
divide both sides by 2:
y = -3
Answer:
c
Step-by-step explanation:
Pythagoras theroem
= 4√73
Answer:
1 100
2 300
Step-by-step explanation:
Answer:
(4,-1)
Step-by-step explanation:
the graph goes up or down by 2 each time so 2x2=4
then half of -2 is -1
