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Subjects
Mathematics State Board
Class 8
Algebra
Multiplication of Algebraic Expressions

6. Two mark example problems

Exercise condition:

6 m.

1. Find the product of \(2x^2y^2\), \(3y^2z\) and \(-z^2x^3\).

Answer:

Product \(=\)

\(6x^6y^5z^3\)
\(-6x^5y^4z^3\)
\(6x^5y^4z^3\)
\(-6x^6y^5z^3\)

2. Multiply \((2x + 5y)\) and \((3x - 4y)\).

Answer:

Product \(=\)

\(6x^2 + 7xy - 20y^2\)
\(6x^2 - 7xy + 20y^2\)
\(6x^2 + 7xy + 20y^2\)
\(6x^2 - 7xy - 20y^2\)

3. Multiply \(3x^2y\) and \((2x^3y^3 - 5x^2y + 9xy)\).

Answer:

Product \(=\)

\(6x^5y^4 -15x^4y^2 - 27x^3y^2\)
\(6x^5y^4 -15x^4y^2 + 27x^3y^2\)
\(6x^5y^4 +15x^4y^2 - 27x^3y^2\)
\(6x^5y^4 +15x^4y^2 + 27x^3y^2\)

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