Question

3. The decimal expansion of the rational number is:
12
(a) terminating (b) non terminating repeating (c) non terminating non repeating (d) can't say
4. The degree of the polynomial x -3x3-5x2+2 is:
(a) 1
(b) 2.
(c)3
5. The zeroes of the polynomial x2 - 2x + 1 are:
(a)- 2,- 2
(b) 1,1
(c)-1,-1
(d) 2,2
6. If a and B are the zeroes of the polynomial 8x2 - 6x-3, then a + B is:
3
3
7
(a)
(b)-
(c)
4
4
7. For what value of k, the system of equations 2x - y = 1 and - kx + 2y = - 2 has a unique solution:
(a) k = 1
(b) k 4
(c)k * 3
(d)k 2
8. The graph of x = 3 is a graph parallel to the:
(a) x axis
(b) y axis
(c) neither x axis nor y axis
(d) none of these
9. Does the point (2,-2) lie on the line whose equation is x-y-4 = 0?
(b) no
(c) can't say
(d) none of these
10. If one of the roots of the quadratic equation x2 - 4x + k = 0 is 1, then its other root is:
(a) 2
(b) 3
(c) 4
(d) 1
11.3 and - 2 are the roots of the following quadratic equation:
(a) (x-2)(x + 3) = 0 (b) (x + 2)(x - 3) = 0
(c)(x-2)(x-3) = 0 (d) (x + 2)(x + 3) = 0
12. If one of the roots of the quadratic equation x2 + x - 7 = 0 is 1, then the value of k is
(a) 2
(b)3
(c) 4
(d) 6
(a) yes​

Answer 1

Answer:

which question I have to tell?

Answer 2

Answer:

3. can't say

4. 1

5. 1, 1

6.