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SSE4802
28.06.2019 •
Mathematics
What is the equation in standard form of a parabola that models the values in the table y=-4x^2+3x+5 y=-4x^2-3x+5 y=3x^2-4x+5 y=4x^2-3x+5
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Ответ:
Y=4x^2-3x+5
Step-by-step explanation:
For the standard form equation to model the values in the table, each value of x in the table should give the matching the y value when substituted into the equation. We will test each equation:
This does not give 12 as the answer and is not a solution.
This does not give 12 as the answer and is not a solution.
This does give 12 as the answer and is a possible solution.
We now try (2,15).
This does not give 15 as the answer and is not a possible solution.
This does not give 12 as the answer and is not a solution.
We now try (2,15).
This does give 15 as the answer and is a solution.
This is the standard form of the equation.
Ответ:
-30 × 1
-30
-30 + 1
-29