Q23 of 100 Page 312

Fill in the blanks to make the statements true.
Like terms in the expression n(n + 1) + 6 (n – 1) are and _.

n, 6n

n(n + 1) + 6 (n – 1) = n² + n+ 6n – 6

Hence n and 6n are like terms

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In the expression 2πr, the algebraic variable is ______ .

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Number of terms in a monomial is ______.

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The expression 13 + 90 is a _____ .

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The speed of car is 55 km/hrs. The distance covered in y hours is ______.

Fill in the blanks to make the statements true.Like terms in the expression n(n + 1) + 6 (n – 1) are ____ and _____.