HaiHayley
HaiHayley
26-08-2016
Mathematics
contestada
3 questions, need help.
Respuesta :
dalendrk
dalendrk
26-08-2016
(-3;-19)
Answer: b. y = -2x² - 1
because: -2 · (-3)² - 1 = -2 · 9 - 1 = -18 - 1 = -19
(2;-11)
Answer: b. y = -2x² - 3
because: -2 · 2² - 3 = -2 · 4 - 3 = -8 - 3 = -11
(3; 24)
Answer: a. y = 2x² + 6
because: 2 · 3² + 6 = 2 · 9 + 6 = 18 + 6 = 24
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