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What is the equation of the parabola that has a vertex at the origin and a directrix x=2.5?
-3, 11
2(3x-1)(2x+3)
2.45
x = 1.68, 1.18
y=0.025x^2-2x+25
2(2x-1)(3x+2)
reflected in the x-axis
x=(1/10)y^2
What are the solutions ?
-3, 11
2(3x-1)(2x+3)
2.45
x = 1.68, 1.18
y=0.025x^2-2x+25
2(2x-1)(3x+2)
reflected in the x-axis
x=(1/10)y^2
What is the equation of the parabola that passes through the points (0, 25), (4, 17.4), and (10, 7.5)?
-3, 11
2(3x-1)(2x+3)
2.45
x = 1.68, 1.18
y=0.025x^2-2x+25
2(2x-1)(3x+2)
reflected in the x-axis
x=(1/10)y^2
Describe how the graph of the quadratic function in the form y=a(x-h)^2+k changes when the sign of a changes from negative to positive?
-3, 11
2(3x-1)(2x+3)
2.45
x = 1.68, 1.18
y=0.025x^2-2x+25
2(2x-1)(3x+2)
reflected in the x-axis
x=(1/10)y^2
What is the maximum of the function h(t)=-5t^2+7t?
-3, 11
2(3x-1)(2x+3)
2.45
x = 1.68, 1.18
y=0.025x^2-2x+25
2(2x-1)(3x+2)
reflected in the x-axis
x=(1/10)y^2
What are the solutions of the equation x^2-8x-33=0?
-3, 11
2(3x-1)(2x+3)
2.45
x = 1.68, 1.18
y=0.025x^2-2x+25
2(2x-1)(3x+2)
reflected in the x-axis
x=(1/10)y^2
What is the complete factorization of 12x^2+2x-4?
-3, 11
2(3x-1)(2x+3)
2.45
x = 1.68, 1.18
y=0.025x^2-2x+25
2(2x-1)(3x+2)
reflected in the x-axis
x=(1/10)y^2
What is the complete factorization of 12x^2+14x-6?
-3, 11
2(3x-1)(2x+3)
2.45
x = 1.68, 1.18
y=0.025x^2-2x+25
2(2x-1)(3x+2)
reflected in the x-axis
x=(1/10)y^2
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