QUADRATIC FUNCTION | Baamboozle - Baamboozle | The Most Fun Classroom Games!

What is the co-ordinate of x-intercept of y = x^2 - 2x - 24

x = -4 or x = 6

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What is the maximum point of: y = -x^2 + 2x + 6

x = 1, y = 7 (1, 7)

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What is determinant used for? And what is the formula of D?

To find the x - intercept of quadratic function. D = b^2 - 4ac

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From the graph below, we know that the quadratic function has .... ( value of a and D)

a < 0 ( because the graph has a maximum point), D = 0 (because there is one co - ordinate of x - intercept)

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heart

Other team wins 20 points!

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star

Double points!

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gift

Win 10 points!

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baam

Lose 15 points!

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seesaw

Swap points!

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fairy

Take points!

rocket

Go to first place!

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lifesaver

Give 15 points!

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What is the formula to get a maximum or minimum of some quadratic function?

find the axis of symmetry: x = -b / 2a then do the subtitution into the quadratic equation

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What is the co-ordinate of x-intercept of y = x^2 + 3x - 18

x = 3 or x = -6

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What is the value of a, b, and c of : y = -x^2+3x-4

-1, 3, -4

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What is the minimum point of: y = x^2 - 4x - 21

x = 2 , y =- 25 (2,-25)

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Andi just throw up a ball and used the function h(t) = 8t - 2t^2 (h = height in m, t = time in s). What is highest point of the ball?

8 m

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thief

Give points!

seesaw

Swap points!

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fairy

Take points!

thief

Give points!

What is the co-ordinate of y-intercept of: y = x^2 - 4

( 0, -4 )

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lifesaver

Give 25 points!

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rocket

Go to first place!

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gift

Win 20 points!

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lifesaver

Give 20 points!

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What is the co-ordinate of y-intercept of: y = x^2 + x - 6

( 0, -6)

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From the graph below, we know that the quadratic function has .... ( value of a and D)

a > 0 ( because the graph has a minimum point), D > 0 (because there are two co - ordinate of x - intercept)

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