Interpret the Equation y = mx + b as Defining a Linear Function

Standard 8.F.3 Interpret the equation y = mx + b as defining a linear function, 
whose graph is a straight line; give examples of functions that are not
linear. For example, the function A = s² giving the area of a square as
a function of its side length is not linear because its graph contains the
points (1,1), (2,4) and (3,9), which are not on a straight line.

Vocabulary for this standard:
EngageNY lesson link – This appears in the fifth module of the EngageNY curriculum.
Quick thoughts:
A base is a number or expression being multiplied in an exponent
An exponent is a number that describes how many times to use the number in a multiplication.
A coefficient is a number used to multiply a variable.
A negative exponent expresses that the base is the denominator of a fraction instead of the numerator
The multiplicative property of exponents says that when you multiply powers with the same base you just have to add the exponents
The division property of exponents says that when you divide powers with the same base you just have to subtract the exponents
The power of a power property says that when you raise an exponent to another power, you just have to multiply the exponents
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