MBF3C Date: _________________________ MBF3C_0405_WS_y=aX-hSquared+k.doc 1/1 The Quadratic Relation y = a(x-h)2+ k Practice 1.Circle the shape and orientation of each parabola and indicate the vertex. a)y = -0.5x2+ 2 opens up / down stretched / compressed vertex ( b)y = 2(x – 1)2opens up / down stretched / compressed vertex ( c)y = -0.1x2-6 opens up / down stretched / compressed vertex ( d)y = (x + 5)2+ 4 opens up / down stretched / compressed vertex ( e)y = -3x2-5 opens up / down stretched / compressed vertex ( f)y = 0.1(x – 1)2+ 2 opens up / down stretched / compressed vertex ( g)y = 8(x + 5)2opens up / down stretched / compressed vertex ( h)y = -0.7x

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