Answer: A term is a single mathematical expression. It may be a single number (positive or negative), a single variable ( a letter ), several variables multiplied but never added or subtracted. ... Examples of single terms: 3x is a single term. The "3" is a coefficient. The "x" is the variable.
Step-by-step explanation:
Answer:
The focus is: 
Step-by-step explanation:
Given

Required
Determine the focus
The focus of a parabola

is:

So, we have:

Cross multiply

Rewrite as:

Rewrite as:

Express 8 as 4 * 2

By comparison with: 

So, the focus
is:


Answer:
A = 7.07
Step-by-step explanation:
A = pi 1.5^2
A = pi 2.25
A = 7.07
Look at where the line crosses the X axis.
Here we see it crosses -2
So your answer is A (-2, 0)