Answer:
Yes
Step-by-step explanation:
Plug in the values into x and y
-7 = 3(-2) - 1
This is a true statement, so this is a possible solution.
Answer:
center of x²+2x+y²+4y=20:(-1,-2),r=5
Step-by-step explanation:
look at the attachment above ☝️
Since the deepest point of Death Valley is below sea level, its altitude is negative. So, the difference between the altitudes is

Subtracting a negative means to add, so we have
