Question 36
Fill in the blanks to make the statement true.
If x, y and z are integers, then (x + ___ ) + z = ___ + ( y + ___)
Addition is associative for integers, i.e. (a + b) + c = a + (b + c) ⇒ (x + y) + z = x + (y + z)
Question 26
x + y + z is an expression which is nether monomial nor ___.
Question 25
Fill in the blanks to make the statement true. If z + 3 = 5, then z = ................
Question 30
On adding a monomial ___ to −2x+4y2+z, the resulting expression becomes a binomial.
Question 31
3x+23x2+6y2+2x+y2+___ =5x+7y2.