NCERT Exemplar Solutions
Class 7 - Mathematics - Unit 10: ALGEBRAIC EXPRESSIONS

True or False

1 + \(\frac{x}{2}\) + x³ is a polynomial.

(3a − b + 3) − (a + b) is a binomial.

A trinomial can be a polynomial.

A polynomial with more than two terms is a trinomial.

Sum of x and y is x + y.

Sum of 2 and p is 2p.

A binomial has more than two terms.

A trinomial has exactly three terms.

In like terms, variables and their powers are the same.

The expression x + y + 5x is a trinomial.

4p is the numerical coefficient of q² in −4pq².

5a and 5b are unlike terms.

Sum of x² + x and y + y² is 2x² + 2y².

Subtracting a term from a given expression is the same as adding its additive inverse to the given expression.

The total number of planets of Sun can be denoted by the variable n.

In like terms, the numerical coefficients should also be the same.

If we add a monomial and binomial, then answer can never be a monomial.

If we subtract a monomial from a binomial, then answer is at least a binomial.

When we subtract a monomial from a trinomial, then answer can be a polynomial.

When we add a monomial and a trinomial, then answer can be a monomial.