Writing Equations from a Graph

Front

What is the slope in the equation y=2x + 3?

Back

The slope is 2.

Front

Find the slope of the line that passes through (1, -19) and (-2, -7).

Back

The slope is -4.

Front

Write the equation for the line in slope-intercept form: What is the equation of the line with a slope of 4 and a y-intercept of 3?

Back

The equation is y = 4x + 3.

Front

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

Back

The equation is y = -x + 2.

Front

What does the slope of a line represent?

Back

The slope represents the rate of change of y with respect to x.

Front

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

Back

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

Front

What is the slope of a horizontal line?

Back

The slope of a horizontal line is 0.

Front

What is the slope of a vertical line?

Back

The slope of a vertical line is undefined.

Front

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

Back

'm' represents the slope of the line.

Front

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

Back

'b' represents the y-intercept of the line.