Test 3-2 Review

Front

Categorize the slope of the line: Positive, Negative, Zero, Undefined?

Back

Negative

Front

What is the y-intercept shown on the graph? (0, -2), (3, 0), (0, 3), None of these.

Back

(0, 3)

Front

The vertical number line is called the __________?

Back

y-axis

Front

What is the y-intercept of the table? 0, 15, 10, -0.04?

Back

15

Front

What does a positive slope indicate about a line?

Back

The line rises from left to right.

Front

What does a negative slope indicate about a line?

Back

The line falls from left to right.

Front

What is the definition of y-intercept?

Back

The point where the line crosses the y-axis.

Front

What is the definition of slope?

Back

The ratio of the rise over the run between two points on a line.

Front

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

Back

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

Front

What does a slope of zero indicate?

Back

The line is horizontal.