Answer:
y=-3x+5
Step-by-step explanation:
y=mx+b
m=slope or gradient (=-3)
y=-3x+b
Add your points
(2, -1)
-1=(-3 x 2)+b
-1= -6+b
-1+6=b
b=5
y=-3x+5
Answer:4.00000
Step-by-step explanation:
Slope = 2
x-intercept = -4/2 = -2
y-intercept = 4/1 = 4.00000
Complex numbers emerge when you take the square root of a negative number, since the imaginary unit
is defined by the relation
, which implies 
The only option involving the square root of a negative number is the last one.
Answer:
c
Step-by-step explanation: