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- 1. Multiple Choice2x2 - 6x - 7 = 0
What are the sum and the product of roots?Sum = 3
Product = 7/2Sum = - 3
Product = - 7/2Sum = - 3
Product = 7/2Sum = 3
Product = - 7/2 - 2. Multiple Choice-2x2 - 5x + 1 = 0
What are the sum and product of roots?Sum = 5/2
Product = 1/2Sum = - 5/2
Product = - 1/2Sum = - 5/2
Product = 1/2Sum = 5/2
Product = - 1/2 - 3. Multiple Choice
x2 - 6x + c = 0
Given the sum and product of roots are 6 and -9 respectively. What is the value of c?
c = 9
c = - 9
c = 9/2
c = - 9/2
- 4. Multiple ChoiceWrite the quadratic equation whose roots are 3 and 7.x2 - 10x + 21 = 0x2 + 10x + 21 = 0x2 - 10x - 21 = 0x2 + 10x - 21 = 0
- 5. Multiple ChoiceWhat is the sum of the roots of x2 - 6x - 5 = 0?6-6-55
- 6. Multiple Choice
In the quadratic equation 2x2 + kx - 10, one of the roots is 2, what is the other root?
3
-3
5/2
-5/2
- 7. Multiple Choice
What is the value of k in the quadratic equation x2 + 3x + k if one of the roots is -2?
-2
2
4
-4
- 8. Multiple Choice
What is the value of k in the quadratic equation 3x2 + kx - 15 if one of the roots is 1?
-12
12
5
-5
- 9. Multiple Choice
Write a quadratic equation whose roots are -2 and 9.
y = x2 + 11x +18
y = x2 - 11x -18
y = x2 + 7x - 18
y = x2 - 7x - 18
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