#112 Distance from a Point to a Line

The formula presented in the video is described as:

• The only way to solve this problem

• A complex method requiring multiple steps

• A shortcut compared to other methods

• An outdated approach to the problem

What type of distance does this formula calculate?

• The longest distance

• The average distance

• The shortest (perpendicular) distance

• The horizontal distance

 In the formula, what do A, B, and C represent?

• The slope and y-intercept of the line

• The coordinates of the point

• The coefficients of x, y, and the constant term

• The dimensions of a triangle

Before using the formula, what must be done with the equation of the line?

• Factor it

• Differentiate it

• Write it in slope-intercept form

• Write it with everything on one side, equal to zero

What is the final exact distance calculated in the example?

• 4√5/5

• 5√4/4

•  5/√4

• 4/√5

What do x₁ and y₁ represent in the formula?

• The slope and y-intercept of the line

• The coordinates of the point we're finding the distance from

• The coefficients of x and y in the line equation

• The length and width of a rectangle