Answer:

Step-by-step explanation:
Assuming one root of a polynomial function is

Then the other root is

The reason is that , complex roots of polynomial functions occur in pairs.
One complex root is the conjugate of the other.
This means that, if

is a root, then

is also a root.
Answer:
the slope is 4 and the y-intercept is -7
Step-by-step explanation:
X = 20
Isolate the variable by dividing each side by factors that don't contain the variable.
x
=
20
Answer:
try multiplying 3x7 would be 21
Step-by-step explanation: