SOLUTION: Given the following 3 points, find the particular equation. Graph the parabola. Label the axis of symmetry, vertex, y-intercept and its symmetric partner, and the x-intercepts.
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Question 358803: Given the following 3 points, find the particular equation. Graph the parabola. Label the axis of symmetry, vertex, y-intercept and its symmetric partner, and the x-intercepts.
(3,138) (10, 292) (15, 282)
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!
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Subtract eq. 1 from eq. 2 to eliminate ,
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Subtract eq. 1 from eq. 3 to eliminate ,
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Subtract eq. 4 from eq. 5 to eliminate
Then,
Then,
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Convert to vertex form, , by completing the square.
The vertex is (,).
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The vertex lies on the axis of symmetry .
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The y-intercept is,
Its symmetric partner would be
(,)
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The x-intercepts are,
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