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Which quadratic function contains the points (1, −6 ), (−2, 15) , (3, 30)?

a) f(x) = 2x^2 − 9x + 5

b) f(x) = 5x^2 − 9x − 2

c) f(x) = 9x^2 − 2x − 5

d) f(x) = 5x^2 − 2x − 9

User Or Neeman
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1 Answer

7 votes

Answer:

  • d) f(x) = 5x^2 − 2x − 9

Explanation:

Verify by graphing.

All three given points (1, −6 ), (−2, 15) , (3, 30) appear on the last function's graph.

  • f(x) = 5x^2 − 2x − 9

Which quadratic function contains the points (1, −6 ), (−2, 15) , (3, 30)? a) f(x-example-1
User Drwowe
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