Math, asked by 7ckonineeka, 9 months ago

MATHS ASSIGNMENT FOR CLASS VII 1. The algebraic expression for the statement ’Thrice square of a number x subtracted from five times the sum of y and 2 is a) 5y + 2 – 3x2 b) 3x2 – (5y + 2) c) 5(y+2) – 3x2 d) 5(y + 2) – (3x)2 2. The coefficient of 5a2 in -5a3bc a) -bc b) a2bc c) -a2bc d) -abc 3. The number of (unlike) terms in the expression 3xy2 + 2y2z – y2z + y(xz + yz) – 5 is a) 3 b) 4 c) 5 d) 6 4. The value of the expression x3 + y3 when x = 2 and y = -2 is a) 0 b) 8 c) 16 d) -16 5. - xy – (- 5xy) is equal to a) -6xy b) 6xy c) -4xy d) 4xy 6. On subtracting 7x + 5y – 3 from 5y -3x – 9, we get a) 10x + 6 b) - 10x – 6 c) 10x + 10y – 12 d) -10x – 12 7. The value of the expression 5/3 x2 + 1 when x = -2 is a) - 17/3 b) – 7/3 c) 21/3 d) 23/3 8. The degree of the polynomial 3x3y – 5xy4 -2x + 1 is a) 5 b) 4 c) 3 d) 2 9. The expression 7x -5(x2 + y2) is a a) Monomial b) binomial c) trinomial d) none of these 10. The value of sum of algebraic expressions 5m – 7n, 3n – 4m + 2 and 2m – 3mn – 5 is a) 3m + 4n + 3mn -3 (b) 3m – 4n – 3mn – 3 (c) 3m -3mn + 3 (d) 3m + 3mn -4n -3 PLEASE ANSWER FAST THE FIRST ANSWER WILL BE MARKED AS BRAINLIEST.

Answers

Answered by isaac671998
4

Answer:

1. (c) 5(y+2)-3x^2

2. (d) -abc

3. (a) 3

4. (a) 0

5. (d) 4xy

6. (b) -10x-6

7. (d) 23/38.

8. (b) 4

9. (b) binomial

10. (b) 3m - 4n - 3mn -3

Answered by jiminshiiiiiiiii420
1

Step-by-step explanation:

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