The video tutorial introduces the distance formula, which is a variation of the Pythagorean Theorem, used to calculate the distance between two points. Initially, the formula is demonstrated using a graph, showing how the distance can be calculated as the hypotenuse of a right triangle. The tutorial then explains how to use the distance formula without a graph by calculating the differences between x and y coordinates, squaring them, adding them, and taking the square root. A blind calculation example is provided to reinforce the concept, demonstrating the formula's application without visual aids.

What is the Distance Formula an extension of?

• The Pythagorean Theorem

• The Area of a Triangle

• The Quadratic Formula

• The Circle Equation

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CCSS.HSG.GPE.B.7

How do you calculate the distance between two points on a graph?

• By measuring with a ruler

• By using the Distance Formula

• By estimating visually

• By counting the units between them

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What does subtracting the x-coordinates of two points give you?

• The hypotenuse length

• The slope of the line

• The vertical distance

• The horizontal distance

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What is the first step in applying the Distance Formula directly?

• Add the coordinates together

• Take the square root of the sum of squares

• Square the differences of x-coordinates

• Subtract the y-coordinates

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What does squaring the differences in the Distance Formula accomplish?

• It eliminates negative values

• It calculates the area of the triangle

• It finds the midpoint between two points

• It doubles the distance for accuracy

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CCSS.HSG.GPE.B.7

What is the result of applying the Distance Formula to the points (-2, 4) and (2, -1)?

• Square root of 41

• Square root of 61

• 6 units

• 5 units

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Why do we square the differences when using the Distance Formula?

• To find the actual distance

• To comply with the Pythagorean Theorem

• To avoid negative distances

• To simplify the calculation

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CCSS.HSG.GPE.B.7

What does the Distance Formula calculate?

• The distance between any two points

• The perimeter of a triangle

• The area under a curve

• The slope of a line

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How is the Distance Formula verified?

• By using a protractor

• By comparing with graph method results

• By measuring with a ruler on the graph

• By consulting a math textbook

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Why might one prefer the Distance Formula over graphing?

• It requires less time

• It is more accurate

• It does not require a graph

• It is easier to remember

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CCSS.HSG.GPE.B.7