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Mathematics
9th -
11thgrade
Quadratics Checkup: Factored Form and Zeros
20 questions
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- 1. Multiple ChoiceWhat is another word for zeros?y-interceptsrootsvertexaxis of symmetry
- 2. Multiple ChoiceWhat piece of information does c identify in the following equation?
y=ax2+bx+cZeroesAxis of SymmetryDirectiony-intercept - 3. Multiple ChoiceWhat are the x-intercepts?0 and 2-4 and 02 and 30 and 4
- 4. Multiple ChoiceA quadratic function has zeros -7 and 9.
What are the linear factors of the function?(x+7) (x-9)(x-7) (x+9)(-7,0) (9,0)(0,-7) (0,9) - 5. Multiple Choice
Identify the x-intercepts:
y= -3(x-5)(x+5)
(-3,0) and (5,0)
(5,0) and (-5,0)
(5,0) and (0,5)
(0,5) and (0,-5)
- 6. Multiple ChoiceDoes the quadratic have a max/min vertex, and does the parabola open up/down?max/ opens downmin/ opens upmax/ opens upmin/ opens down
- 7. Multiple Choice
What is the axis of symmetry for this parabola?
x = 2
x = - 8
x = -1
y = -1
- 8. Multiple Choice
What relationship does the vertex of a parabola always have with the x-intercepts?!
It's the same as one of the numbers
It's the average of the zeros
It's the same as the y-intercept
It's the maximum
- 9. Multiple ChoiceWhat are the green dots called?axis of symmetryvertexparabolaroots or x-intercepts
- 10. Multiple ChoiceWhat is the green dot on the parabola called?maximumminumumrootszeros
- 11. Multiple ChoiceStandard form of a quadratic equationy=x²y=ax²+bx+cy=mx+by=x
- 12. Multiple ChoiceWhat is the equation for this parabola in factored form?y=(x+2)(x-1)y=(x-2)(x+1)y=(x-2)(x-1)y=(x+2)(x+1)
- 13. Multiple Choice
Find the zeros of the function:
y = x2 + 10x + 24
x = {4, 6}
(x + 6)(x + 4)
x = {- 4, - 6}
x = {-12, 2}
- 14. Multiple ChoiceFind the vertex y = (x - 5)(x - 1)(5, 1)(-5, - 1)(3, -4)(-3, 32)
- 15. Multiple ChoiceWhat is the x-coordinate of the vertex of the parabola?
y = (x - 8)(x + 2)3-38 and -2-8 and 2 - 16. Multiple Choice
What is the vertex of the function?
(-3, -16)
(3, 20)
(-6, -7)
(0, -7)
- 17. Multiple ChoiceWhat are the x-intercepts of the parabola?
y = ¼(x + 2)(x - 6)-2 and 62 and -6-2¼ and -2 and 6 - 18. Multiple Choice
Where is the vertex of the parabola?
y = 2x2 + 12x - 13
(-3, -31)
(3, -31)
(2, -13)
(12, -13)
- 19. Multiple Choice
In factored form you can see the ______ of the graph easily.
y-intercept
vertex
x-intercepts
- 20. Multiple ChoiceWhat is the factored quadratic equation in the following graph?( x+ 2)(x + 6) = yx2 - 8x + 12 = y(x - 2)(x - 6) = y(x - 4)(x + 4) = y
- Answer choicesTagsAnswer choicesTags