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Mathematics
4th
grade
Quadratic Functions and Equations in One Variable
20 questions
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- 1. Multiple ChoiceDoes this graph in the back have maximum or minimum value?maximumminimumneitherboth
- 2. Multiple ChoiceWhat is the axis of symmetry for the following equation?
y=4x2-8x+9x=-8x=1x=-1x=2 - 3. Multiple ChoiceWhat is the y intercept for the equation:
y = -8x2 + 3x - 7(0, -8)(0, 3)(0, 7)(0, -7) - 4. Multiple ChoiceSolve:
2x2 - 9x = 35x = 7/2, x = -6x = -5/2, x =5x = -3/7, x =6x = -5/2, x = 7 - 5. Multiple ChoiceSolve:
4x2 = -4x -1x = -½x = -2x = 0 - 6. Multiple Choice-3, 43, 4-4, -3-3
- 7. Multiple ChoiceA parabola has a vertex at (-3,2). Where is the axis of symmetry?y = -2x = 3x = -3y = 2
- 8. Multiple ChoiceDoes the following quadratic equation have a maximum or minimum value? How can you tell?
y=x²+2x-3Minimum value, because the a value is positiveMaximum value, because the b value is positiveMaximum value, because the a value is positiveMinimum value, because the c value is negative - 9. Multiple ChoiceWhat is the axis of symmetry?the slope of the graphthe dividing line for a parabolaa way to spin my pencilthe x-axis
- 10. Multiple ChoiceFactor: x2 + 13x + 30(x + 3)(x + 10)(x + 5)(x + 6)(x + 2)(x + 15)(x + 1)(x + 30)
- 11. Multiple ChoiceFactor: 2x2 - 5x + 2(2x - 1)(x - 2)(2x + 1)(x - 2)(2x - 2)(x - 1)(2x + 2)(x - 1)
- 12. Multiple ChoiceFactor: 6x2 + 9x(6x + 1)(x + 3)(3x + 1)(2x + 3)3x(2x + 3)6x(x + 3)
- 13. Multiple Choice
Solve the following quadratic equation...
x2 + 7x + 12 = 0
x = -2
x = -6
x = -3
x = -4
x = -1
x = -12
x = 2
x = 6
- 14. Multiple Choice3x2 - 4 is a quadratictruefalse
- 15. Multiple ChoiceThe graph of a quadratic function is calleda linea hyperbolaa parabolaa cubic
- 16. Multiple ChoiceWhich of the following is NOT a quadratic functionf(x) = -3x2f(x) = -5x - x2y = 3x3 - 4x + 5A = pi.r2
- 17. Multiple ChoiceDetermine the values of
a, b, and c for
the quadratic equation:
4x2 – 8x = 3a = 4, b = -8, c = 3a = 4, b =-8, c =-3a = 4, b = 8, c = 3a = 4, b = 8, c = -3 - 18. Multiple ChoiceThe formula x = -b/2a is used to findthe rootsthe x-value of the vertexthe y-interceptthe axis of symmetry
- 19. Multiple ChoiceFind the roots of this equation
x2 + x - 6 = 04, -13, -2-6, 12, -3 - 20. Multiple Choice9k2 = 22544, -425, -25-5, 5
- Answer choicesTagsAnswer choicesTags