SOLUTION: In the equation f(x)=a (x-h)^2 +k, if a > 0, h< 0, and k <, Which of the following statements must be true?
(a) The parabola opens upward and has a vertex in the 3rd quadrant.
(b
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Question 889859: In the equation f(x)=a (x-h)^2 +k, if a > 0, h< 0, and k <, Which of the following statements must be true?
(a) The parabola opens upward and has a vertex in the 3rd quadrant.
(b) The parabola opens upward and has a vertex in the 4th quadrant.
© The parabola opens downward and has vertex in the 3rd quadrant.
(d) The parabola opens downward and has a vertex in the 4th quadrant.
Answer by solver91311(24713) (Show Source): You can put this solution on YOUR website!
Quadratic functions with positive lead coefficients open upward and with negative lead coefficients open downward. Both coordinates positive is Q1, x negative, y positive is Q2, both negative Q3, x positive, y negative is Q4.
John
My calculator said it, I believe it, that settles it
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