Quadratic Equations II (Grade 10)
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Quadratic Equations II
1.
Solve for [math]x[/math] if [math]x^2 + 2x + 1 = 0[/math].
- 1
- -1
- 2
2.
Solve the equation [math]x^2-2x-35=0[/math].
- x=-7 and x=5
- x=-7 and x=-5
- x=7 and x=-5
- x=7 and x=5
3.
Solve for [math]x[/math] if [math]x^2 + 9x + 18 = 0[/math].
- 3 and 6
- -3 and -6
- -3 and 6
4.
Find the solution of the following equation.
[math]x^2 - 3x - 40 = 0[/math]
[math]x^2 - 3x - 40 = 0[/math]
- x = -5, -8
- x = -5, 8
- x = 5, -8
- x = 5, 8
5.
Solve for [math]x[/math].
[math]3x^2-4=8[/math]
[math]3x^2-4=8[/math]
- x = -1, 1
- x = 12
- x = 4
- x = -2, 2
- x = 3
6.
When a quadratic equation is graphed, it creates a figure that is called a .
- circle
- square
- triangle
- parabola
7.
Solve:
[math]2x^2-4x-3=0[/math]
[math]2x^2-4x-3=0[/math]
- [math]x=1+-2sqrt10[/math]
- [math]x=2+-sqrt10[/math]
- [math]x=(2+-sqrt10)/2[/math]
- [math]x=(2+-sqrt2)/2[/math]
8.
Solve the quadratic equation [math]x^2-256=0[/math].
- [math]x=+-16[/math]
- [math]x=16[/math]
- [math]x=-16[/math]
- None of the above
9.
What are the solutions for the quadratic equation [math]x^2 + 6x = 16[/math]?
- x = -2, -8
- x = -2, 8
- x = 2, -8
- x = 2, 8
10.
Determine the solutions of [math]x^2 - 14x +49 = 48.[/math]
- [math]- 7 +- 4sqrt3[/math]
- [math]- 7 +- 16sqrt3[/math]
- [math]7 +- 4sqrt3[/math]
- [math]7 +- 16sqrt3[/math]
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