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HaiHayley
HaiHayley HaiHayley
  • 26-08-2016
  • Mathematics
Answered

3 questions, need help.

3 questions, need help. class=
3 questions, need help. class=
3 questions, need help. class=

Verified Answer :

dalendrk
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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