Which of the following is a quadratic polynomial ? (a) x+4 (b) x3+x (c) x3+2x+6 (d) x2+5x+4

Which of the following is a quadratic polynomial ? (a) x+4 (b) x3+x (c

1.	Which of the following is a quadratic polynomial ? (a) x+4 (b) x3+x (c) x3+2x+6 (d) x2+5x+4
Answer» Which of the following is a quadratic polynomial ? (a) $x + 4$ (b) $x^{3} + x$ (c) $x^{3} + 2 x + 6$ (d) $x^{2} + 5 x + 4$