Question

FILL IN THE BLANKS:

1.The variable in the expression 16y – 4 is____.

2.The constant term of the expression 3x+7 is___.

3.In the expression 13m+5n, the type of the terms are____terms.

4.The number of terms in the expression 2xy+4z+3 is___.

5.The numerical co-efficient of the term –xy is___.

6.The addition of -6a and 3a is____.

7.The subtraction of 7m from -4m is ___.

8.The additive inverse of – 23xyz is ___.

9.An expression equated to another expression is called_____.

10.If x=7 ,the value of 3x+5 is _____.

11. Product of two negative integers is a _____.

12. Product of three negative integers is _____.

13. Product of a negative integers and a positive integer is ______.

14. Difference of two negative integers cannot be a______.

15 a÷ (-1) = ____.


SAY TRUE OR FALSE

16. X+(-X) = 0.

17. The co-efficient of xy in the term 4xyz is 4.

18. 4mn and -5mn are like terms.

19. When x= -3, the value of the expression 2x -5 is 4.

20. The expression 2m+5n and 7m+3n can not be added.

21. If x is a natural number , then x+1 is its predecessor.

22. Sum of a-b+c and –a+b-c is zero.

23 Every algebraic expression is an equation.

24. The expression 5m+7 can not be reduced without knowing the value

of m.

25. To add two like terms, its co-efficient can be added.

26. 5 – ( -8 ) is same as 5 – 8.

27. 4 × ( - 5 ) = ( -10 ) × ( - 2 ).

28. ( - 9 ) + ( - 11 ) is greater than ( -9 ) – ( -11 ).

29. Integers are closed under addition.

30. a ÷ b = b ÷ a.

PLS ANSWER PLS

Answer 1

Answer:

1 is y

2 is 1

3 is m and n

4 is xyz 3 teams

6 is -3a

7is 4m

8 is -23xyz

9 is sum

10 is 26