Calculating Midpoints and Distances in the Coordinate Plane

This video tutorial covers the concepts of midpoint and distance in the coordinate plane. It begins with an introduction to these concepts, followed by a detailed derivation of the distance formula using the Pythagorean theorem. The tutorial then demonstrates how to apply the distance formula through various examples and calculations. It also introduces the midpoint formula, explaining its application and providing examples. Finally, the video shows how to find unknown endpoints using the midpoint formula, offering both algebraic and visual methods.

What is the Pythagorean theorem used for in the context of coordinate geometry?

• To find the midpoint of a segment

• To determine the length of the hypotenuse in a right triangle

• To find the slope of a line

• To calculate the area of a triangle

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CCSS.8.G.B.8

Which formula is derived from the Pythagorean theorem to find the distance between two points?

• Midpoint formula

• Area formula

• Distance formula

• Slope formula

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CCSS.HSG.GPE.B.7

In the distance formula, what operation is performed on the differences of the coordinates?

• Addition

• Subtraction

• Multiplication

• Division

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CCSS.HSG.GPE.B.7

What is the distance between the points (5, -3) and (4, -7) using the distance formula?

• 8 units

• 5 units

• 10.8 units

• 13.6 units

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CCSS.HSG.GPE.B.7

How can the Pythagorean theorem be used with a graph to find the distance between two points?

• By drawing a circle

• By using the slope formula

• By calculating the lengths of the vertical and horizontal sides

• By finding the midpoint first

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CCSS.8.G.B.8

What is the midpoint formula used for?

• To calculate the slope of a line

• To find the distance between two points

• To find the average of the coordinates of the endpoints

• To determine the area of a triangle

Tags

CCSS.HSG.GPE.B.6

How do you find the midpoint between -5 and 3 on a number line?

• Multiply the coordinates and divide by 2

• Divide the coordinates and add 2

• Subtract the coordinates and divide by 2

• Add the coordinates and divide by 2

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CCSS.HSN.CN.B.6

What is the midpoint of the points (7, 5) and (2, -4)?

• (4.5, 0.5)

• (5, 1)

• (3, 0)

• (4, -1)

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CCSS.HSG.GPE.B.6

If one endpoint is (-5, 7) and the midpoint is (-2, 1), what is the other endpoint?

• (3, -3)

• (2, -1)

• (0, 0)

• (1, -5)

Tags

CCSS.HSG.GPE.B.6

Using the counting method, how far is -5 from -2?

• 5 units

• 4 units

• 3 units

• 2 units

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CCSS.7.NS.A.1C