1. 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

2. 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

3. The degree of the polynomial 2x3 – 5x2 + x – 3 is
(a) 2
(b) 3
(c) 1
(d) 0

4 The degree of the polynomial 7 is
(a) 1
(b) 0
(c) 3
(d) 2

5. Which of the following is a linear polynomial?
(a) x3 – x2 + 1
(b) x2 – 2x + 1
(c) 2x – 2
(d) x4 – 2x + 3x2 – x

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