Question

2. The square root of 9x² + 30xy + 25y is ........
3.. Factorize:x-x-12 = 0
4. If x' + 5kx + 16 = 0 has no real roots, then findk
5. The quadratic equation, whose roots are 2+13,2 - V3 , will
6. If f(x) = x + 4x - 12, what are the zeroes 'f'?
7. If the roots of an equation px' + 2x + r = 0 are equal, then fi
8. If a and b can take values 1, 2, 3, 4. Then the number of the
form ax' + bx + 1 = 0 having real roots is
9. What is the number of quadratic equations having real roo
and which do not change by squaring their roots?
10. Find the roots of the quadratic equation x - 7x.
11. Centroid of the triangle with vertices A(3, -7), B(5, 1) an
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Answer 1

Answer:

2. (3x + 5y) ................

Answer 2

Answer:

Step-by-step explanation:

2. The square root of 9x² + 30xy + 25y is ........

3.. Factorize:x-x-12 = 0

4. If x' + 5kx + 16 = 0 has no real roots, then findk

5. The quadratic equation, whose roots are 2+13,2 - V3 , will

6. If f(x) = x + 4x - 12, what are the zeroes 'f'?

7. If the roots of an equation px' + 2x + r = 0 are equal, then fi

8. If a and b can take values 1, 2, 3, 4. Then the number of the

form ax' + bx + 1 = 0 having real roots is

9. What is the number of quadratic equations having real roo

and which do not change by squaring their roots?

10. Find the roots of the quadratic equation x - 7x.

11. Centroid of the triangle with vertices A(3, -7), B(5, 1) an