Exploring Reflections and Distance in the Coordinate Plane

The video tutorial introduces the concept of the coordinate plane, explaining its four quadrants and how to plot points. It covers reflecting points across the x and y axes, emphasizing the creation of mirror images. The tutorial also explains how to calculate distances between points, particularly when they are in different quadrants, using absolute values. The narrative concludes with a summary of these key concepts, reinforcing the understanding of coordinate geometry.

What is the setting described at the beginning of the video?

• A bright classroom

• A dark hoof in a dingy cafe

• A bustling city

• A sunny beach

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CCSS.RL.9-10.3

CCSS.RL.7.3

CCSS.RL.8.3

CCSS.RL.6.3

CCSS.RL.11-12.3

In which quadrant is the point (-3, 6) located?

• Quadrant IV

• Quadrant III

• Quadrant II

• Quadrant I

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CCSS.6.NS.C.6B

What happens when a point is reflected across the x-axis?

• Neither coordinate changes sign

• The x-coordinate changes sign

• Both coordinates change sign

• The y-coordinate changes sign

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CCSS.8.G.A.3

CCSS.HSG.CO.A.5

What is the reflected point of (-3, 6) across the x-axis?

• (-3, -6)

• (3, 6)

• (3, -6)

• (-3, 6)

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CCSS.8.G.A.3

CCSS.HSG.CO.A.5

When reflecting a point across the y-axis, which coordinate changes sign?

• Both coordinates

• The x-coordinate

• The y-coordinate

• Neither coordinate

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CCSS.8.G.A.3

CCSS.HSG.CO.A.5

What is the reflected point of (-3, -6) across the y-axis?

• (-3, -6)

• (3, -6)

• (-3, 6)

• (3, 6)

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CCSS.6.NS.C.6B

How do you find the distance between two points in the same quadrant?

• Multiply the absolute values of their coordinates

• Divide the absolute values of their coordinates

• Subtract the absolute values of their coordinates

• Add the absolute values of their coordinates

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CCSS.6.NS.C.8

What is the distance between the points (3, -6) and (10, -6)?

• 10 units

• 7 units

• 3 units

• 13 units

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CCSS.HSG.GPE.B.7

What is the distance between the points (3, -6) and (3, 9)?

• 9 units

• 15 units

• 6 units

• 3 units

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CCSS.HSG.GPE.B.7

What is the key difference when calculating distances between points in different quadrants?

• You subtract the absolute values

• You add the absolute values

• You multiply the absolute values

• You divide the absolute values

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CCSS.6.NS.C.8