Answer:

Step-by-step explanation:
Given that,
The sum of first n term of a sequence is
We need to find the sum of the first 5 terms.
Put n = 5,

So, the sum of first 5 terms is equal to
.
Answer:
Yes is linear because there is a constant rate of change this is also a function
Slope intercept for is y = -2x+4
Answer:
Two or more linear equations in the same variables; also called a linear system. ... A linear system with infinitely many solutions. System of Linear Inequalities. Consists of two or more linear inequalities in the same variable.