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(IGP) IAS Pre Paper - 2: GS - Basic Numeracy - Basic Algebra (MCQ -22)
Basic Numeracy
Basic Algebra (MCQ -22)
1. Which of the following expression is a polynomial?
2. Which of the following expression is a polynomial
in one variable?
(a) 3x2 –2y + 3
(b) –x2 + 6x – 5 = 0
(c) x2 + y2 = –3
(d) 2x2 – 2y–1 = 0
3. Which of the following expression is a polynomial
in two variable?
(a) x2 – 2xy + y2 – x + y
(b) x3 + y3 + z3 –1
(c) x2 + 3x + 2
(d) x2 – 2x2 + 3x + 5
4. The degree of the polynomial 2x3 – 5x2
+ x – 3 is
(a) 2
(b) 3
(c) 1
(d) 0
5. The degree of the polynomial 3x -
Ö3 is
(a) 1
(b) 2
(c) 0
(d) 4
6. The degree of the polynomial 7 is
(a) 1
(b) 0
(c) 3
(d) 2
7. Which of the following is a linear polynomial?
(a) x3 – x2 + 1
(b) x2 – 2x + 1
(c) 2x – 2
(d) x4 – 2x + 3x2 – x
8. Which of the following is a quadratic polynomial?
(a) x2 – 7x + 8
(b) x – 1
(c) 3x + 5
(d) 2x3 – x2 + x – 1
9. Which of the following is a cubic polynomial?
(a) x4 – 3x3– 2x2 + x – 1
(b) 3x3 – 2x2 + 1
(c) x4– 2x2+ 1
d) 3x + 9
10. Which of the following expression is a binomial
in 2 variables?
(a) 3x + 5
(b) 2x – 3y
(c) 3y – 2
(d) 7x + 8
11. Which of the following expression is amonomial?
(a) x
(b) –y2
(c) 2x3
(d) All the three
13. Which of the following is a root of the
polynomial f(x) = x3 – 2x2 – x + 2?
(a) x = –2
(b) x = 1
(c) x = 3
(d) x = –3
14. If x = 2 is a root of the polynomial f (x) = 5x
– 3x2 + kx – 10, find the value of k.
(a) – 9
(b) 3
(c) 9
(d) – 3
15. If x = 1 and –1 are the roots of the polynomial
f(x) = 22 + x2 – ax + b. Find the values of a and b.
(a) 2, – 2
(b) – 2, – 1
(c) 2, – 1
(d) 1, – 2
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