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- 1. Multiple Choice
Which is the vertex of y = x2+ 16x + 71 ?
V(-8, 7)
V(-8, 3)
V(8, 10)
V(16, -2)
- 2. Multiple Choice
Find the y-intercept y = x2 - 6x + 5
(0, 8)
(0, - 6)
(5, 0)
(0, 5)
- 3. Multiple Choice
Find the y-intercept of f(x) = 2x2 - 2x + 1
(1,0)
(-2,0)
(0,1)
(0, -1)
- 4. Multiple ChoiceDoes the equation open up or down?
Y = -3x2 +7x - 2updownNeither; it opens to the right.Neither; it opens to the left. - 5. Multiple ChoiceWhat is the name of this form:
y = ax2 + bx + cvertex formstandard formfactored formzero form - 6. Multiple ChoiceWhat is the maximum/minimum of a parabola called?vertexpointtopbottom
- 7. Multiple ChoiceWhat do we call the graph of a quadratic function?parabolalinearcubicsinusoidal
- 8. Multiple Choice
What is the vertex of this parabola?(−1, 3)(−3, 11)(−2, 5)(0, 5) - 9. Multiple ChoiceWhat is the y-intercept of this parabola?(−1, 3)(−3, 11)(−2, 5)(0, 5)
- 10. Multiple ChoiceWhere is the axis of symmetry for this parabola?x = −1x = 0y = 3x = −3
- 11. Multiple ChoiceWhat is the formula above primarily used for?Finding the axis of symmetry from standard formFinding the vertex from standard formFinding the vertex from vertex formFinding the vertex from standard form
- 12. Multiple ChoiceWhat are the zeros of the parabola?1, 53, -53, 0-6, 1
- 13. Multiple Choice
How do you know if a parabola has a minimum?
When ‘a’ is positive there is a minimum
When ‘a’ is negative there is a minimum
When all the numbers in the equation are negative there is a minimum
When all the numbers in the equation are positive there is a minimum
- 14. Multiple Choice
What is the equation for axis of symmetry?
y = 3
x = 3
x = 5
x = 1
- 15. Multiple ChoiceWhat are the green dots called?axis of symmetryvertexparabolaroots or x-intercepts
- 16. Multiple Choice
How can you tell whether a parabola opens up or opens down by looking at the equation?
The vertex tells you the direction of the opening
The value of "a" tells you the direction of the opening.
All parabolas open upward
All parabolas open downward
- Answer choicesTagsAnswer choicesTags