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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. -1
  3. 2
2. 
Solve the equation [math]x^2-2x-35=0[/math].
  1. x=-7 and x=5
  2. x=-7 and x=-5
  3. x=7 and x=-5
  4. x=7 and x=5
3. 
Solve for [math]x[/math] if [math]x^2 + 9x + 18 = 0[/math].
  1. 3 and 6
  2. -3 and -6
  3. -3 and 6
4. 
Find the solution of the following equation.

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