Writing Linear Equations From A Graph

Front

What is the slope-intercept form of a linear equation?

Back

y = mx + b

Front

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

Back

Slope

Front

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

Back

Y-intercept

Front

What is the y-intercept of the equation y = 2x + 3?

Back

3

Front

How do you find the slope from a graph?

Back

Slope = (change in y) / (change in x) between two points.

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 slope of the line represented by the equation y = -4x + 1?

Back

-4

Front

How can you determine the y-intercept from a graph?

Back

The y-intercept is where the line crosses the y-axis.

Front

What is the equation of a line with a slope of 2 and a y-intercept of -1?

Back

y = 2x - 1