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5 cards from this section. Quick, good the night before a test.
Find the distance between the points A(5,7) and B(1,3).
Use the distance formula: d = √((x2 - x1)² + (y2 - y1)²).
Determine the midpoint of the line joining C(2,-1) and D(4,3).
Remember M = ((x1 + x2)/2, (y1 + y2)/2).
What is the distance between the points (2,3) and (5,7)?
Use d = √((x2 - x1)² + (y2 - y1)²).
True or False: If two points have the same x-coordinate, the line between them is vertical.
Think about how a vertical line is positioned on the coordinate plane.
Prove that points A(0,0), B(1,1), C(2,2), and D(3,3) are collinear by calculating the slopes of every pair of points.
Calculate the slope using m = (y2 - y1) / (x2 - x1) for each pair.
Design a triangle using points A(-1,2), B(2,6), and C(4,1). Calculate its area and confirm the results using the formula.
Plug in the coordinates to the area formula clearly outlined in chapter content.
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