Coordinate Geometry | Baamboozle - Baamboozle | The Most Fun Classroom Games!

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15

Substitute y = 2x−1 ⇒ x²+(2x−1)²=10 ⇒ x=1, −1 ⇒ (1, 1), (−1, −3)

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15

Midpoint = ((−4+10)/2, (7+−5)/2) = (3, 1)

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15

y−3 = 4(x−2) ⇒ y = 4x − 5

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thief

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25

seesaw

Swap points!

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shark

Other team loses 25 points!

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thief

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25

15

Tangent eqn: 3x+4y = 25

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15

Center = (2, 6), r = √((6−(−2))²+(8−4)²)/2 = √80/2 = 2√5 ⇒ (x−2)² + (y−6)² = 20

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15

Same slope ⇒ y+3 = (2/5)(x−4)

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banana

Go to last place!

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star

Double points!

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rocket

Go to first place!

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baam

Lose 5 points!

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15

Center = (2, −3), r = √(4+9+3) = √16 = 4

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15

Using slope equality ⇒ (k−2)/(3−1) = (6−k)/(5−3) ⇒ k = 4

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15

y+2 = 2(x−1) ⇒ y = 2x − 4

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15

(3²+4²)=25 ⇒ on the circle

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15

(−1−5)/(4−1) = −6/3 = −2

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15

(x−2)² + (y+3)² = 25

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15

y−3 = 2(x−2) ⇒ y = 2x − 1

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seesaw

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fairy

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25

shark

Other team loses 25 points!

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thief

Give points!

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25

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