Graphing 21 - Writing Equation from two points 1

Covers how to write the equation of a line if you know two points on the line. This is part 21 of a series of videos about graphing lines.

• How do you write the equation of a line if you know two points on the line?
• How do you find the equation of a line that passes through two points by graphing?
• How do you write the equation of a line that passes through (-2, 1) and (2, -5) by graphing?
• How do you find the slope and y-intercept of a line from two points on the line?
• How do you find the slope between the points (-2, 1) and (2, -5) using the slope formula?
• How do you find the equation of a line that passes through two points by using the slope formula and point-slope form?
• How do you write the equation of a line in slope-intercept form that passes through (-2, 1) and (2, -5) by using the slope formula and point-slope form?
• Does it matter which ordered pair you plug into the formula to find the equation of the line that passes through two points?
• How can you re-write an equation that is in slope-intercept form in standard form?
• How can you check to make sure that the equation of a line you find is correct?