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19. Conic Sections

Parabolas

19. Conic Sections

Parabolas

Multiple Choice
For the parabola $y = 2 x^{2} - 5 x + 3$ , what is the y-intercept?
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Multiple Choice
Which parabola has a minimum value at its vertex?
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Multiple Choice
For the parabola $y = a x^{2}$ , how does the graph change as $| a |$ increases?
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Multiple Choice
Graph the parabola $-4\left(y+1\right)=\left(x+1\right)^2$ , and find the focus point and directrix line.
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Multiple Choice
If a parabola has the focus at $\left(0,-1\right)$ and a directrix line $y=1$ , find the standard equation for the parabola.
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Multiple Choice
Graph the parabola $8\left(x+1\right)=\left(y-2\right)^2$ , and find the focus point and directrix line.
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Multiple Choice
If a parabola has the focus at $\left(2,4\right)$ and a directrix line $x=-4$ , find the standard equation for the parabola.
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