Graphs of Quadratic Equations (Grade 10)
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Graphs of Quadratic Equations
1.
Which equation represents the graph of the parabola?

- [math]y = - x/2[/math]
- [math]y = x/2[/math]
- [math]y = -(x^2)/2[/math]
- [math]y = (x^2)/2[/math]
2.
Graph the equation. Label the vertex and the axis of symmetry. [math]y= x^2 + 2[/math]

3.
Which equation represents the graph?

- [math]y = x[/math]
- [math]y = x^2[/math]
- [math]y = - x[/math]
- [math]y = - x^2[/math]
4.
Which equation could describe this graph?

- [math]y=(x-1)(x-8)[/math]
- [math]y=(x-4)(x+2)[/math]
- [math]y=(x-2)(x+4)[/math]
- [math]y=(x+1)(x+8.5)[/math]
5.
Graph: [math]y=-(x+3)^2+4[/math]

6.
Identify the axis of symmetry for the graph.

- x = 1
- x = 0
- y = 0
- none of the above
7.
Graph the following equation:
[math]f(x) = x^2 - 3[/math]
[math]f(x) = x^2 - 3[/math]

8.
Is the discriminant positive, negative, or zero?

- Positive
- Negative
- Zero
9.
Graph the following equation. Label the vertex and the axis of symmetry. [math]y= -1/2x^2 + 2x + 3[/math]

10.
Which equation represents the graph of the parabola?

- [math]y = 1/2x[/math]
- [math]y =-1/2x[/math]
- [math]y = 1/2x^2[/math]
- [math]y=-1/2x^2[/math]
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