Multiplying Expressions (Junior Cert Mathematics): Quizzes

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Multiplying Expressions
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12 questions from this quiz

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In the term 3x3x, what is the coefficient?

33

What does x2x^2 mean?

x×xx \times x

If no coefficient is shown on a variable, what is its value?

11

What is 3x×4x3x \times 4x?

12x212x^2

When multiplying x×xx \times x, what do you do with the exponents?

Add them

What is the name of the property used to expand 2(x+5)2(x + 5)?

Distributive property

What is 2(x+5)2(x + 5) when expanded?

2x+102x + 10

What is 5x×3x5x \times 3x?

15x215x^2

When expanding (x+3)(x−2)(x + 3)(x - 2), which step comes first?

Multiply each term by each term

What is (x+3)(x−2)(x + 3)(x - 2) when expanded and simplified?

x2+x−6x^2 + x - 6

What is 4(y+7)4(y + 7) when expanded?

4y+284y + 28

When multiplying algebraic expressions, what should you multiply first?

The coefficients

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