Algebra 1 Chapter 3 Review

Front

Is the relation a function? Why?

Back

No, because the x-value 11 has two y-values pair with it.

Front

Find f(2) if f(x) = 2x + 1.

Back

5

Front

What is the y-intercept of the line represented by the equation y = 2x - 1?

Back

(0, -1)

Front

What type of slope does the graph of the equation y = 0 have?

Back

Zero

Front

Is the relation {(1, 2), (2, 3), (1, 4)} a function?

Back

No

Front

What is the definition of a function?

Back

A relation where each input (x-value) has exactly one output (y-value).

Front

What does the slope of a line represent?

Back

The rate of change of y with respect to x.

Front

How do you find the slope between two points (x1, y1) and (x2, y2)?

Back

Slope (m) = (y2 - y1) / (x2 - x1).

Front

What is the standard form of a linear equation?

Back

Ax + By = C, where A, B, and C are integers.

Front

What is the difference between a positive slope and a negative slope?

Back

A positive slope rises from left to right, while a negative slope falls from left to right.