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- 1. Multiple ChoiceWhat piece of information does c identify in the following equation?
y=ax2+bx+cZeroesAxis of SymmetryDirectiony-intercept - 2. Multiple ChoiceWhich of the following equations matches standard form of a quadratic?ax + by = cy = a(x - h)2 + ky = ax2 + bx + cy = mx + b
- 3. Multiple ChoiceWhich of the following equations matches vertex form of a quadratic?ax + by = cy = a(x - h)2 + ky = ax2 + bx + cy = mx + b
- 4. Multiple ChoiceWhat piece of information does h identify in the following equation?
y=a(x-h)2+ky value of the vertexAxis of SymmetryDirection (facing up or down)x-intercept - 5. Multiple ChoiceIf given the equation y = 3(x + 5)2 - 4, what is the vertex of the parabola?(5, -4)(-5, -4)(-15, -4)(15, -4)
- 6. Multiple ChoiceGiven the equation for this parabola:
y=-(x-4)2-3,
does this parabola have a maximum or minimum value?MaximumMinimumNot enough information - 7. Multiple ChoiceWhat is the axis of symmetry for the following quadratic function: f(x)=1/2(x-4)2+3x=4x=-4x=1/2x=3
- 8. Multiple ChoiceWhat is the vertex of the parabola: y=2(x-3)2+4(3,4)(-3,4)(3, -4)(-3,-4)
- 9. Multiple ChoiceWhat causes the graph of y = x2 to open downward?multiply the x2 by a fractionmultiply the x2 by a decimalmultiply the x2 by a negative numbermultiply the x2 by a number greater than 1
- 10. Multiple Choice
Which 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 - 11. Multiple ChoiceIdentify the vertex and whether the graph opens up or down.(5, 2); opens up(5, 2); opens down(-5, 2); opens up(-5, 2); opens down
- 12. Multiple ChoiceWhich of the following is the correct equation for the given graph?f(x) = -(x + 2)2 - 4f(x) = -(x - 2)2 - 4f(x) = -3(x - 2)2 - 4f(x) = -3(x + 2)2 - 4
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