Look at the picture.

We have the right triangle x, y and r. From the Pythagorean theorem we have:

We have the point

Substitute:


Choose your points, go up from the y intercept to a chosen x point. Then go over the the x point. Up and over is the formula I use.
No it isn't.
Explanation:
x/y * y = (y-6) * y
x = y^2 - 6y
A function gives just one y for every x
In this case there will always be 2 y's for every x
Example:
y can be
y = 6
or
y =−6
(0,-6) & (0,6)
Answer:
14
Step-by-step explanation:
Answer: 6(17+14) or 186
Step-by-step explanation: I provide with you two answers since not sure what u mean .And the first answer is distributive it and the second answer is the sum.
Also 102 + 84 is an expression already so I don't know what your asking and if this help u are welcome !