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- 1. Multiple ChoiceWhat is the formula to find the vertex of a parabola?x = -b/2x = -bx = -b / (2a)x = -b / 2
- 2. Multiple ChoiceWhich letter in a quadratic formula represents the y-intercept?abc
- 3. Multiple ChoiceThe axis of symmetry line passes through which point?y-interceptany random pointvertexsymmetrical point for the vertex
- 4. Multiple Choice
Which letter determines if a parabola opens up or down?
a
h
k
- 5. Multiple ChoiceIf the a value is positive, which direction does the graph open?updownleftright
- 6. Multiple ChoiceIf the a value is negative, which direction does the parabola open?updownleftright
- 7. Multiple ChoiceThe equation for the axis of symmetry line is x = -b/(2a)truefalse
- 8. Multiple ChoiceThe maximum/minimum value of a parabola is which value from the ordered pair of the vertex?xy
- 9. Multiple ChoiceWhere does the graph
y=3(x-1) 2 - 8 increase?(-∞,8)(8,∞)(-∞,1)(1,∞) - 10. Multiple ChoiceWhat is the vertex form for a vertex of (-3,-5) and when a=-2?y = -2(x-3)2+5y = -2(x+3)2+5y = -2(x+3)2-5
- 11. Multiple Choice
What is the axis of symmetry of the given function?y = 1y = -1x = 1x = -1 - 12. Multiple ChoiceIdentify the vertex and whether the graph opens up or down.(-1, 4); opens up(-1, 4); opens down(1, 4); opens up(1, 4); opens down
- 13. Multiple ChoiceA parabola has a vertex at (-3,2). Where is the axis of symmetry?y = -2x = 3x = -3y = 2
- 14. Multiple ChoiceWrite the equation of the quadratic in vertex form given the following:
vertex: (4, -2)
point: (0,-6)
opens downf(x)=(x-4)2-2f(x)=-4(x-4)2-2f(x)=1/4(x+4)2-2f(x)=-1/4(x-4)2-2 - 15. Multiple ChoiceWrite the equation of the quadratic in vertex form given the following:
axis of symmetry: x=1
Points: (2, 5) (-2, 21)f(x)=(x-1)2+5f(x)=1/2(x-1)2+3f(x)=2(x-1)2+3f(x)=2(x-1)2-3 - 16. Multiple ChoiceWrite the equation of the quadratic in standard form given the following:
axis of symmetry: x=1
Points: (2, 5) (-2, 21)f(x)=(x-1)2+5f(x)=1/2(x-1)2+3f(x)=2(x-1)2+3f(x)=2(x-1)2-3 - 17. Multiple ChoiceWhat are the x- intercepts?x= 0 and x= -4x= 0 and x= 4y= 0x= 2
- 18. Multiple ChoiceWhich answer choice describes y = -3x2 +7x - 2 accurately?opens up with a maximumopens up with a minimumopens down with a maximumopens down with a minimum
- 19. Multiple ChoiceFind the y-intercept of f(x) = 2x2-2x + 12-21-1
- 20. Multiple Choicey=2x2-6x+1 is in what form?Vertex FormFactored formStandard FormCannot be determined
- 21. Multiple ChoiceThe lowest point one hits when using a swing would represent what?Maximum valueMinimum valueA rootAn x-intercept
- 22. Multiple ChoiceWhat are the x-intercepts?0 and 2-4 and 02 and 30 and 4
- 23. Multiple ChoiceWhat is the domain and range of the given parabola:
y=6(x-4)2-1?Domain: all real numbers
Range: y≥-1Domain: x≥-1
Range: all real numbersDomain: all real numbers
Range: y ≤-1Domain: x≤-1
Range: all real numbers - 24. Multiple ChoiceWhich of the following is the correct equation for the given graph?f(x) = (x - 2)2 - 1f(x) = (x + 2)2 - 1f(x) = -(x + 2)2 - 1f(x) = -(x - 2)2 - 1
- 25. Multiple ChoiceWhich equation below represents a parabola that opens upward with a vertex at (0, -5)?y = x2 + 5y = x2 - 5y = (x - 5)2y = (x + 5)2
- 26. Multiple ChoiceIdentify the vertex and whether the graph opens up or down.(-1, 4); opens up(-1, 4); opens down(1, 4); opens up(1, 4); opens down
- 27. Multiple ChoiceIs the graph an even, odd, or neither function
f(x) = 4x3EvenOddNeither - 28. Multiple ChoiceIs the graph an even, odd, or neither function?EvenOddNeither
- 29. Multiple ChoiceIs the graph an even, odd, or neither functionEvenOddNeither
- 30. Multiple ChoiceIs the graph an even, odd, or neither function.EvenOddNeither
- 31. Multiple Choicef(a) = 2a + 4
g(a) = a2 - 2a
Find (f + g)(3)3352013 - 32. Multiple Choiceg(a) = 3a2 + 4
f(a) = 2a + 3
Find (g - f)(1)-2217-6 - 33. Multiple Choiceg(x) = -4x + 5
f(x) = -4x - 2
Find (g ⋅ f)(-3)9819818170 - Answer choicesTagsAnswer choicesTags