Unit 2

Question 1

The ___ form of a linear equation is an equation in the form Ax + By = C with not both A and B equal to zero.

Answer 1

standard

Question 2

A linear ___ is a mathematical statement that two linear expressions, or a linear expression and a constant, are not equal.

Answer 2

inequality

Question 3

A linear ___ is a mathematical statement that two linear expressions, or a linear expression and a constant, are equal.

Answer 3

equation

Question 4

A(n) _________ function is a function defined differently on different intervals of the function’s domain.

Answer 4

piecewise

Question 5

The method of solving a system of equations or inequalities by systematically adding or subtracting a multiple of one equation or inequality to a multiple of another equation to eliminate a variable is called ___ elimination.

Answer 5

gaussian

Question 6

Every linear function with a ___ slope will have an inverse function.

Answer 6

nonzero

Question 7

A function composed with its inverse function will always equal ____.

Answer 7

X