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Questions and Answers
Which direction does a parabola open if the value of 'a' in the vertex form equation $y=a(x-h)²+k$ is positive?
Which direction does a parabola open if the value of 'a' in the vertex form equation $y=a(x-h)²+k$ is positive?
- Rightward
- Downward
- Leftward
- Upward (correct)
What is the vertex of the parabola described by the equation $y=-10(x+4)²-3$?
What is the vertex of the parabola described by the equation $y=-10(x+4)²-3$?
- (4, 3)
- (-4, -3) (correct)
- (-4, 3)
- (4, -3)
What is the maximum or minimum point of a parabola if 'a' in the vertex form equation $y=a(x-h)²+k$ is negative?
What is the maximum or minimum point of a parabola if 'a' in the vertex form equation $y=a(x-h)²+k$ is negative?
- Minimum point
- Maximum point (correct)
- Cannot be determined
- No maximum or minimum point
If |a| > 1 in the vertex form equation $y=a(x-h)²+k$, how does the shape of the parabola compare to the graph of $y=x²$?
If |a| > 1 in the vertex form equation $y=a(x-h)²+k$, how does the shape of the parabola compare to the graph of $y=x²$?
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If |a| < 1 in the vertex form equation $y=a(x-h)²+k$, how does the shape of the parabola compare to the graph of $y=x²$?
If |a| < 1 in the vertex form equation $y=a(x-h)²+k$, how does the shape of the parabola compare to the graph of $y=x²$?
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