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4 cards from this section. Quick, good the night before a test.
Calculate the distance between the points (3, 8) and (3, 4).
Since the x-coordinates are the same, it's a vertical line.
What is the midpoint of the points (2, 5) and (4, 9)?
Average the x-coordinates and y-coordinates separately.
What is the distance formula used for?
Remember it relates to Pythagorean theorem concepts.
The midpoint formula gives us which point?
Averages represent the center point.
Calculate the area of a triangle with vertices A(4, 1), B(6, 5), and C(2, 4).
Use the area formula for coordinates.
Find the point R on line segment PQ where P(2, 3) and Q(4, 8) if R divides PQ in the ratio 3:2.
Apply the section formula.
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