The sum of -7pq and 2pq is (a) -9pq (b) 9pq (c) 5pq (d) - 5pq

Solution:

Correct option is (d) because, adding the polynomials,

-7pq + 2pq = pq(-7 + 2) = pq(-5) = -5pq

✦ Try This: Sum of 8xy and -3xy is (i) 5xy, (ii) -5xy, (iii) -10xy, (iv) 10xy

Option (i)

8xy + (- 3xy) = 5xy

☛ Also Check: NCERT Solutions for Class 8 Maths Chapter 9

NCERT Exemplar Class 8 Maths Chapter 7 Problem 4

The sum of -7pq and 2pq is (a) -9pq (b) 9pq (c) 5pq (d) - 5pq

Summary:

The sum of -7pq and 2pq is -5pq

☛ Related Questions:

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• Which of the following is a binomial? (a) 7 × a + a (b) 6a² + 7b + 2c (c) 4a × 3b × 2c (d) 6 (a² + b . . . .