Conic Sections: Parabolas Answers

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This parabola opens , so the standard form of the equation for this parabola is

upward

downward

to the left

to the right

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Option

The equation of the directrix is , and the focus is (, ). This means that p =

x = –2

= 2

y = 2

y = –2

The directrix for a parabola with a standard form of (y − k)2 = 4p(x − h) is

y = k – p

y = h – p

x = k – p

x = h – p

The equation of the parabola is

Option

The standard form for this parabola is

Option

What is the value of p?

–2

Option

The antenna feed should be placed .

½ inch above the vertex

½ inch below the vertex

½ inch to the right of the vertex

½ inch to the left of the vertex

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