Midterm Vocab

Front

What is the slope of a vertical line?

Back

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Front

In a system of equations, how would you know if it has no solution?

Back

The equations would have the same slope and different y-intercepts.

Front

The domain is the ...

Back

input values.

Front

If given a graph, how do you determine if the relation is a function?

Back

vertical line test.

Front

Which equation below is an example of identity (aka infinitely many solutions)?

Back

2x + 1 = 2x + 1.

Front

What does the slope of a line represent?

Back

The rate of change of y with respect to x.

Front

What is the y-intercept of a line?

Back

The point where the line crosses the y-axis.

Front

What does it mean for two lines to be parallel?

Back

They have the same slope and will never intersect.

Front

What is a function?

Back

A relation where each input has exactly one output.

Front

What is the range of a function?

Back

The set of all possible output values.