Slope & Slope-Intercept

Front

What is the y-intercept of the line with the equation y = -2x + 4?

Back

4

Front

In the equation y = mx + b, what does 'm' represent?

Back

Slope

Front

Write the equation of the graph in slope-intercept form for the line with slope -2 and y-intercept -4.

Back

y = -2x - 4

Front

What is the formula to calculate the slope (m) between two points (x1, y1) and (x2, y2)?

Back

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

Front

What is the slope of a line between the points (-4, 14) and (-16, 8)?

Back

1/2 or -6/-12 or -(6/12)

Front

In the equation y = mx + b, what does 'b' represent?

Back

Y-intercept

Front

How do you identify the slope from the equation of a line in slope-intercept form?

Back

The slope is the coefficient of x.

Front

What does a positive slope indicate about a line on a graph?

Back

The line rises from left to right.

Front

What does a negative slope indicate about a line on a graph?

Back

The line falls from left to right.

Front

If a line has a slope of 0, what does this mean about the line?

Back

The line is horizontal.