Quadratic Equations and Simultaneous Equations MCQs - Math Test 7

MCQ: Solve equation 4x² + 36x + 81

1. x = 9⁄2, x = 9⁄2
2. x = -9⁄2, x = 9⁄2
3. x = -9⁄2, x = -9⁄2
4. None of the above

MCQ: Solve equation x² + 6x - 7 = 0

1. x = -6, x = -1
2. x = -6, x = 1
3. x = 6, x = -1
4. x = 6, x = 1

MCQ: Solve equation x² + 3x

1. x = -3
2. x = 0, x = -3
3. x = 3
4. x = 0, x = 3

MCQ: Solve equation x² - 3x

1. x = -3
2. x = 0, x = -3
3. x = 3
4. x = 0, x = 3

MCQ: Find by using formula roots for following equation: ax² + bx + c

1. (-b±?(b² - 4ac)) ⁄ 2a
2. (b ± ?(b² - 4ac)) ⁄ 2a
3. (-b ± ?(b² + 4ac)) ⁄ 2a
4. (-b ± ?(b² - 4c)) ⁄ 2a