Odpowiedzi

2009-09-16T16:41:07+02:00
A) y=2(x - 4)² - 7
p= 4, q= -7
W=(4,-7)

y = 2(x - 4)² - 7 = 2(x² - 8x + 16) - 7 = 2x² - 16x + 32 - 7 = 2x² - 16x + 25

b) y= -3(x + 1)² + 8
p= -1, q= 8
W=(-1,8)

y = -3(x+1)² + 8 = -3(x² + 2x + 1) +8 = -3x² - 6x - 3 + 8 = -3x² - 6x + 5
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