How many terms are in each of the following algebraic expressions?
$6 x^{3} + 8 x^{2} - 4 x$
$15 x y^{3} + 21 x^{2} - 16$
$19 x^{2} + 8 x^{2} + 4 x y - 2$

2, 2 and 4

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3, 2 and 4

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3, 2 and 2

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3, 3 and 4

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Solution

The correct option is D
3, 3 and 4

Each expression is made up of terms. A term can be a constant, a variable, or a combination of constants and variables.

1. $6 x^{3} + 8 x^{2} - 4 x$ - has 3 terms
2. $15 x y^{3} + 21 x^{2} - 16$ - has 3 terms
3. $19 x^{2} + 8 x^{2} + 4 x y - 2$ - has 4 terms

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Similar questions

(i) 6 x^{3} + 8 x^{2} - 4 x

(i i) 15 x y^{3} + 21 x^{2} - 16

(i i i) 19 x^{2} + 8 x^{2} + 4 x y - 2

4 x y and 8 x^{2}

- 2 x^{2} y^{3} + 6 x^{3} y^{2} - 8 x^{2} y^{2}

Identify the like and unlike terms in $4 x y, 8 x^{2}$ and $3 y x$ .

4 x^{3} + 8 x^{2}

- 2 x^{3} + 3 x^{2}

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