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| Tutorial ID | Title | Tutorial | Video Tutorial | Revision Notes | Revision Questions | |
|---|---|---|---|---|---|---|
| 9.6 | The Quadratic Formula |
1. . The quadratic equation 5x2 + 3x + 2 = 0 has ...
Correct Answer: A
2. . The quadratic equation 2x2 + 10x + m = 0 has two distinct roots. What is the maximum integer value the constant m can have in these conditions?
Correct Answer: C
3. . What is the minimum integer value of c for which the quadratic equation 5x2 - 7x + c = 0 has no solution?
Correct Answer: B
4. . One of the roots of the quadratic equation x2 + 5x + c = 0 is x = -6. What is the value of c?
Correct Answer: D
5. . The quadratic equation (x - 3)(2x + m) = 0 has the sum of its roots 2.5. What is the value of its discriminant?
Correct Answer: D
6. . What is/are the root(s) of the quadratic equation x2 + 3x + 2 = 0?
Correct Answer: B
7. . What is the value of m + 2n in the quadratic equation
Correct Answer: B
8. . The sum of the roots in the quadratic equation ax2 + bx + c = 0 is 4 and their product is 3. What is the equation?
Correct Answer: A
9. . The time t, in minutes, that it takes for a train to reach its maximum speed after leaving a station is modelled by the equation:
What is this value expressed to one decimal place?
Correct Answer: B
10. . One side of a rectangle is 3 cm more than the other and the area of this rectangle is 32 cm less than a square with side length 6 cm. What is the smallest side of the rectangle?
Correct Answer: A
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