Distance Formula. Find the distance from A to B using the Pythagorean Theorem: A (2, 6) B (-3, 6) General rule: leave answers under the radical, don’t.

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Presentation transcript:

Distance Formula

Find the distance from A to B using the Pythagorean Theorem: A (2, 6) B (-3, 6) General rule: leave answers under the radical, don’t give decimal approximations unless asked.

Pythagorean Theorem to Distance Formula

The Distance between two points: With points:

Find the distance between the two points: A (-4,3) and B (2,-1 )

Find the distance between the two points: A (-680, -480) and B (1020,960 )

YOUR TURN: Find the distance between the two points: A (-25, 60) and B (-38,-78 )

Find the midpoint of the two points, and then the distance between them: A (-3,6 ) and B (6,8)

Assignment: Math XL # 2 (Distance) is due 9/7 (Friday) Don’t forget XL #1 (due Friday 8/31) If you still need to show me interactmath 3-8 or 3-2, please do so today.