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- 1. Multiple ChoiceWhat is the vertex of
f(x) = 2(x - 5)2 + 12(-5, -12)(5,-12)(5, 12)(-5, 12) - 2. Multiple ChoiceWhat is another name for the x-intercepts of a quadratic?y-interceptZerosx-axisThey don't have another name
- 3. Multiple Choice
What is the factored form of the quadratic shown?f(x) = -x(x - 4)f(x) = x(x - 4)f(x) = -x(x + 4)f(x) = x(x + 4) - 4. Multiple ChoiceWhat are the roots of the function
f(x)= (x - 2)(x + 3)?x = - 2 or x = 3x = 2 or x = -3The are no real rootsx = 2 or x = 3 - 5. Multiple ChoiceIf the quadratic has a positive leading coefficient, what direction does the parabola open?UpDown
- 6. Multiple ChoiceWhat is the y-intercept of
f(x) = 2x2 + 4x + 6 ?(6 , 0)(-6 , 0)(0, -6)(0 , 6) - 7. Multiple ChoiceWhat is the shape created by a football thrown in the airUparabolaquadraticfunction
- 8. Multiple ChoiceWhat are the x-intercepts of
f(x) = (x - 10)(x + 10) ?10(10 , 0) and (-10 , 0)(0, -10) and (0, 10)0 - 9. Multiple ChoiceWhen the leading coefficient is positive, does the graph have a minimum or maximum value?MaximumMinimum
- 10. Multiple ChoiceTrue or False:
The domain of a quadratic is all real numbers, unless otherwise specified.FalseTrue - 11. Multiple ChoiceIs this function wider, narrower, or the same as y = x2 ?
f(x) = - 0.4(x-7)2 - 9WiderNarrowerSame - 12. Multiple ChoiceIs this function wider, narrower, or the same as y = x2 ?
f(x) = 6(x-7)2 - 9WiderNarrowerSame - 13. Multiple ChoiceWhat is the
y-intercept of
f(x) = -2x2 + 4x - 6 ?(0, 6)(0, -6)(6, 0)(-6, 0) - 14. Multiple ChoiceTrue or False: The first step when completing the square is to set your equation equal to zero.TrueFalse
- 15. Multiple ChoiceFind the equation of the axis of symmetry for the function:
f(x) = 2x2 - 4x - 6x = 1x = -1x = 4x = -4 - 16. Multiple ChoiceWhat is the equation for the axis of symmetry of
f(x)= (x +1)2 + 5x = 1x = -1x = -5x = 5 - 17. Multiple ChoiceWhich term makes a function a quadratic function?x2x
- 18. Multiple ChoiceWhat are the zeros for the function
f(x) = (x + 7)(x + 5) ?(7 , 0) and (5 , 0)(0 , 7) and (0 , 5)(-7 , 0) and (-5 , 0)(7 , 0) and (5 , 0) - 19. Multiple ChoiceWhat is the vertex form of this quadratic?f(x) = -(x + 2)2 - 4f(x) = (x - 2)2 + 4f(x) = (x - 2)2 - 4f(x) = -(x - 2)2 - 4
- 20. Multiple ChoiceWhat is the value of (b/2)2 for the function below?
0 = x2 - 6x + 209-326 - Answer choicesTagsAnswer choicesTags