Math quiz 7.B Nicolas Ortiz Martinez

1. Simplify the following expression x + x + x

2. Expand 4(5x+3)

3. Expand the expression 7(-9c+2)

4. How much is 2,456 plus 4,758 minus 3,289 minus 1,000 plus 5,873?

5.Simplify the following expression: 2y + 3y + y

6. What is the numerical coefficient of 61ab?

7. Expand the expression -6(5z+3)

8. By solving equation a=2-9a, value of a will be?

9. By solving equation 2a2=20, value of "a" will be

10. Expansion of -8(3a + 5b) yields

11. Expansion and simplification of 8(3h - 4) + 5(h - 2) gives

12. A number increased by eight is 16, find the number.

13. Four more than a number is 13, what is the number?

14. Three-fourths of a number is 6, what is the number?

15. Simplify the following equation: (4x-3y+8xy) (4x+4xy-9x).

16. A number increased by two is 9, find the number.

17. A number diminished by 10 is 4, find the number.

18. If x = 5, y = 3 and z = 2 then xz (4y - 2z) is

19.On simplifying algebraic expression 2{4a + [-b -5(c + a -b)]}, answer will be

20.Algebraic form of statement "sum of product of 2a and 2b and product of 12x and 2y" is