Summation of Polynomials Using Horizontal Method

Q. What is monomial, binomial and trinomial?

Q.

Question 8

Out of the four options, only one is correct. Write the correct answer.

The sum of $x^4-xy+2y^2$ and $-x^4+xy+2y^2$ is

(a) monomial and polynomial in y
(b) binomial and polynomial
(c) trinomial and polynomial
(d) monomial and polynomial in x

Q.

The given expression '2x²+3y+5z²+10p+6y+7x^2', on simplification gives:

1. 9x²+12y+5z²+10p

2. 19x²+10y+5z²+10p

3. 11x²+2y+10z²+10p

4. 9x²+9y+5z²+10p

Q. Simplify the following expression:
2x² + 3y + 5z² + 10p + 6y + 7x²

Q.

The given expression '2x² + 3y + 5z² + 10p + 6y + 7x^2', on simplification gives:

1. 11x² + 2y + 10z² + 10p

2. 19x² + 10y + 5z² + 10p

3. 9x² + 9y + 5z² + 10p

4. 9x² + 12y + 5z² + 10p

Q.

How can I solve 3x+7x=10x

Q. State whether the given polynomial is a monomial, binomial or trinomial:

Q. Evaluate each of the following expressions for x = − 2, y = −1, z = 3:
(i) $\frac{x}{y}+\frac{y}{z}+\frac{z}{x}$
(ii) $x^2+y^2+z^2-xy-yz-zx$

Q.

The given expression '2x²+3y+5z²+10p+6y+7x^2', on simplification gives:

1. 9x²+9y+5z²+10p

2. 11x²+2y+10z²+10p

3. 9x²+12y+5z²+10p

4. 19x²+10y+5z²+10p

Q.

simplify by adding or subtracting the like terms.

5ab+bc-3ab

8h + 10l - 7l + 2k

Q.

Simplify combining like terms:

(i) 21b − 32 + 7b − 20b

(ii) − z² + 13z² − 5z + 7z³ − 15z

(iii) p − (p − q) − q − (q − p)

(iv) 3a − 2b − ab − (a − b + ab) + 3ab + b − a

(v) 5x²y − 5x² + 3y x² − 3y² + x² − y² + 8xy² −3y²

(vi) (3 y² + 5y − 4) − (8y − y² − 4)