SOLUTION: Write the equation of the quadratic function with roots -1 and -7 and a vertex at (-4, 7)
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Question 877935: Write the equation of the quadratic function with roots -1 and -7 and a vertex at (-4, 7)
Answer by josgarithmetic(39620) (Show Source): You can put this solution on YOUR website!
Try a parabola.
, accounts for the roots.
Notice that -4 is in the middle of -1 and -7. Notice that y=7 is greater than the x-axis. The parabola's vertex is a maximum, and .
Solve symbolically for a.
Use coordinates of vertex.
Equation:
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