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- 1. Multiple Choice
What are the green dots called?axis of symmetryvertexparabolaroots or x-intercepts - 2. Multiple ChoiceFind the zeros.0 and 40 and -40-4
- 3. Multiple Choice
What are the x-intercepts of the function?
y=(x-4)(x-2)
x=4 and x=2
x=-4 and x = -2
x = 4 and x= -2
x = -4 and x = 2
- 4. Multiple Choice
Where are the roots/zeros of y = x2 - 16x + 63 ?
x = 7; x = -9
x = 7; x = 9
x=-7 ; x=9
x=-7 ; y=-9
- 5. Multiple Choice
What are the roots of y = x2 + 7x + 12 ?
x = -3; x = -4
x = -2; x = 6
x=3 ; y= 4
- 6. Multiple ChoiceWhat is the axis of symmetry?the slope of the graphthe dividing line for a parabolaa way to spin my pencilthe x-axis
- 7. Multiple ChoiceThe axis of symmetry line passes through which point?y-interceptany random pointvertexsymmetrical point for the vertex
- 8. Multiple Choice
The equation for the axis of symmetry line is x = -b/(2a)
true
false
- 9. Multiple ChoiceFind the axis of symmetry of f(x)= -2x2-16x+3.x= 4x=-4y= 4y=-4
- 10. Multiple ChoiceFind the axis of symmetry for the graphx = -1x = 1x = 3x = -1 , 3
- 11. Multiple ChoiceWhat is the equation for axis of symmetry?y=3x=3x=5x=1
- 12. Multiple ChoiceA parabola has a vertex at (-3,2).
Where is the axis of symmetry?y = -2x = 3x = -3y = 2 - 13. Multiple Choice
What is the axis of symmetry in the function f(x) = (x-1)2 +2
x = 1
x = -1
x = 2
x = -2
- 14. Multiple Choice
Which variable determines if a parabola opens upward or downward?
a
h
k
b
c
- 15. Multiple ChoiceUsing Vertex Form, f(x) = a(x - h)2+ k, how do you write the equation for the Axis of Symmetry?x = hy = kx = ay = h
- 16. Multiple ChoiceWhat is the green dot on the parabola called?maximumminumumrootszeros
- 17. Multiple ChoiceWhat is the name of this form:
y = a(x - h)2 + kvertex formstandard formfactored formzero form - 18. Multiple Choice
Identify the vertex of f(x) = -2(x+1)2 + 3
(-2,3)
(3, 1)
(-1,-3)
(-1,3)
- 19. Multiple Choice
Identify the vertex and tell whether the graph opens up or down.
(5, 2); opens up
(5, 2); opens down
(-5, 2); opens up
(-5, 2); opens down
- 20. Multiple ChoiceWhich 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
- 21. Multiple Choice
When a parabola opens upward, the vertex is a...
Maximum
Minimum
- 22. Multiple Choice
Given the equation y = 3(x + 5)2 - 4, what is the vertex of the parabola?
(5, -4)
(-5, -4)
(-15, -4)
(15, -4)
- 23. Multiple Choice
Is the vertex of y = -4x2 a maximum or minimum value?
maximum
minimum
- 24. Multiple ChoiceWhat is the vertex of this parabola?(1, 2)(-1, -2)(1, -2)(-1, 2)
- 25. Multiple Choice
Identify the values of a, b, and c in the quadratic 3x2 + 4 = 5x
a = 3, b = -5, c = 4
a = 3, b = 5, c = 4
a = 3, b = 5, c = -4
a = 3, b = -5, c = -4
- 26. Multiple ChoiceComplete the Square and write in Vertex Form:
f(x) = x2 + 6x + 5(x + 3)2 - 4(x + 6)2 - 4(x + 3x)2 - 4(x + 3)2 + 9 - 27. Multiple ChoiceWhat is the vertex of y=x2+4x+3?(2,1)(-2,1)(0,0)(-2,-1)
- 28. Multiple ChoiceComplete the square and write in Vertex Form
f(x) = x2 + 4x + 9f(x) = (x+2)2 + 5f(x) = (x - 2)2 + 5f(x) = (x+4)2 + 5f(x) = (x+2)2 - 5 - 29. Multiple Choice
How is f(x) = -3x2 transformed from the graph f(x) = x2
reflection over the x-axis and vertical shift down
reflection over the x-axis and vertical stretch
horizontal stretch
reflection over the x-axis and vertical compression
- 30. Multiple ChoiceHow did we transform from the parent function?
g(x) = -1/5(x - 1)2 + 7reflection, vertical compression, horizontal right, vertical upvertical compression, horizontal shift left, vertical shift upreflection, horizontal shift right, vertical shift downno changes were made to y = x2 - 31. Multiple Choice
In the equation f(x)=5(x+3)2-10 , what does the 5 do?
Vertical stretch by 5
Horizontal compress by 3
Reflect
Move up 5
- 32. Multiple ChoiceIf the blue graph is
f(x) = x2
then the red must be...g(x) = x2 - 5g(x) = x2 + 5g(x) = (x - 5)2g(x) = (x + 5)2 - 33. Multiple Choice
Which of the following shows a vertical compression of the parent function?
y = 2x2
y = (3/5)x2
y = -4x2
y = -x2
- 34. Multiple ChoiceStandard form of a quadratic equationy=x²y=ax²+bx+cy=mx+by=x
- 35. 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 - Answer choicesTagsAnswer choicesTags