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- 1. Multiple ChoiceThe focus is always inside the parabola.truefalse
- 2. Multiple ChoiceAll parabolas with a vertical directrix open the left or right.truefalse
- 3. Multiple ChoiceTrue or False?
When the x-part is squared, the parabola opens up or down.TrueFalse - 4. Multiple Choice(y-4)2 = -8(x+1)
What are the coordinates for the focus?(1,4)(-1,6)(-1,2)(-3,4) - 5. Multiple Choice(x+3)2 = 4(y+5)
What is the equation of the directrix?x = 4x = 2y = -4y = -6 - 6. Multiple ChoiceWhat is the focus of the following parabola?
(y + 5)2 = -12 (x - 2)(2, - 5)( -5, 2)(1 , -5 )(-1, -5 ) - 7. Multiple Choice
Which direction does this parabola open?UpDownLeftRight - 8. Multiple ChoiceWhat number would go in the blank?-2-4-8-16
- 9. Multiple ChoiceWhat is the green dashed line called?roots or x-interceptsparabolaaxis of symmetryline of dashes
- 10. Multiple ChoiceA parabola that opens right has a vertex at (-3,2).
Where is the axis of symmetry?y = -2x = 3x = -3y = 2 - 11. Multiple ChoiceIdentify the vertex(-1,-9)(0,-8)(-4,0)(0,0)
- 12. Multiple Choice
The focus is at (2,0) and the vertex is at (-4,0). What is the value of p.
6
-2
2
-6
- Answer choicesTagsAnswer choicesTags