Mathematics Puzzle on Polynomials

Edit Answers
123456
Across
  1. 2. = g(x) × q(x) + r(x), division algorithm
  2. 5. used to find the zeroes of the polynomial
  3. 6. polynomial, a polynomial of degree 1
Down
  1. 1. polynomial, a polynomial of degree 2
  2. 2. plane curve which is mirror-symmetrical and is approximately U-shaped
  3. 3. polynomial, a polynomial of degree 3
  4. 4. of the polynomial, highest power of x in p(x)