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## Mathematics

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QUIZ

9th

grade

65%

accuracy

140

plays

Amanda Vernon

5 years

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10 questions

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- 1. Multiple Choice1 minute1 ptWhat is the vertex for

f(x)=4(x-2)^{2}+ 3(-2, 3)(2,-3)(4,3)(2,3) - 2. Multiple Choice1.5 minutes1 ptWhich equation has a vertex of (-3, 4)?y = 2(x+3)
^{2 }+ 4y = (x+3)^{2 }- 4y = (x-3)^{2}+ 4y = 2(x - 3)^{2}+ 4 - 3. Multiple Choice1 minute1 ptWhat is the vertex?(-1,-2)(-2,-1)(-3,-1)(2,1)
- 4. Multiple Choice1 minute1 ptWhat is the green dashed line called?roots or x-interceptsparabolaaxis of symmetryline of dashes
- 5. Multiple Choice20 seconds1 ptThe graph of a quadratic function is called aParabolaVertexAxis of SymmetryVertex Form
- 6. Multiple Choice30 seconds1 ptAn object flies through the air and follows a parabolic path. What does the y-axis represent?timeheight from the groundhorizontal distancemoney
- 7. Multiple Choice30 seconds1 ptAn object flies through the air and follows a parabolic path. Which of these typically represents the x-axis?timeheight from the ground
- 8. Multiple Choice30 seconds1 ptWhat is the initial (starting) height of an object following this path? h(t) = -16t
^{2}+20t + 6-16 feet0 feet20 feet6 feet - 9. Multiple Choice30 seconds1 ptIf path of a projectile is modeled by:

h(t) = -16t^{2}+ 20t +6, what is the height after 1 second?6 feet20 feet10 feet4 feet - 10. Multiple Choice15 minutes1 pt
An object in launched directly upward and the height of the object is represented by the equation s(t) = –16t

^{2}+ 64t + 80. What is the initial velocity the object is launched at?64 feet

80 feet

16 feet

-16 feet

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