Answer:
The gradient of the line joining the points 
and 
is 
.
Step-by-step explanation:
The gradient of the line joining two distinct point on a plane is represented by the slope of a secant line (
), that is:
(1)
If we know that and , then the gradient of the line is:
The gradient of the line joining the points and is .
The key: make the base of two side the same,,,
then: for the same base, the exponents are equal.
Answer:
<h2>1</h2>
Step-by-step explanation:
Use the Pythagorean theorem:
We have
Substitute:
<em>subtract 9 from both sides</em>
Answer:
this graph is the answer to the equation
Step-by-step explanation:
