Across
- 3. A letter that replaces a number
- 6. progression _ is a list of numbers in which each term is obtained by adding a fixed no. to the preceding term except the first term.
- 8. The lines in the graph for no solutions are:
- 9. If D>0, then the roots are real and _.
Down
- 1. The curves in the graph papers are:
- 2. Numbers that can't be expressed as a fraction
- 4. The product of a non-zero number and an irrational number is:
- 5. The polynomials with degree 2 are:
- 7. When the graph of the linear equations is _ then the lines coincident on each other.