Algebra Class: Writing and Evaluating Expressions
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Questions and Answers

What is the expression for the sum of x and 10?

x + 10

What is Jim's brother's age in terms of z if Jim is z years old?

(z + 4) years old

What is the expression for the quotient of w and 8?

w / 8

What is the expression for the sum of 4 and p?

<p>4 + p</p> Signup and view all the answers

What is the expression for the product of 3 and r?

<p>3r</p> Signup and view all the answers

What is Cheryl's father's age in terms of x if Cheryl is x years old?

<p>(x + 24) years old</p> Signup and view all the answers

What is the expression when you divide m by 7 and then subtract 4?

<p>m / 7 - 4</p> Signup and view all the answers

What is the value of x + x + 5 when x = 7?

<p>19</p> Signup and view all the answers

What is the value of 5y - 8 when y = 3?

<p>7</p> Signup and view all the answers

What is the value of 33 - 7w + 6 when w = 4?

<p>11</p> Signup and view all the answers

Study Notes

Algebraic Expressions Study Notes

  • Sum of a Variable and a Constant: Represents addition; for example, the expression for "the sum of x and 10" is written as (x + 10).

  • Brother's Age in Terms of Variable: If Jim is (z) years old and his brother is 4 years older, his brother's age can be expressed as ((z + 4)).

  • Quotient Expression: The quotient of a variable and a constant, such as "the quotient of (w) and 8," is expressed as (\frac{w}{8}).

  • Sum with a Variable: For "the sum of 4 and (p)," the expression is (4 + p).

  • Product of a Constant and Variable: The phrase "the product of 3 and (r)" translates to the expression (3r).

  • Father's Age in Terms of Variable: If Cheryl is (x) years old and her father is 24 years older, his age can be expressed as ((x + 24)).

  • Operations on Variables: To "divide (m) by 7 and then subtract 4," the result is represented by the expression (\frac{m}{7} - 4).

  • Evaluating Expressions: For evaluating (x + x + 5) when (x = 7), the calculated value is 19.

  • Evaluating Linear Expressions: For the expression (5y - 8) when (y = 3), substituting yields the result of 7.

  • Complex Expression Evaluation: Evaluating (33 - 7w + 6) when (w = 4) results in a value of 11.

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Test your understanding of writing and evaluating algebraic expressions with these flashcards. Each card presents a word problem or expression and its corresponding algebraic form. Perfect for students looking to reinforce their algebra skills!

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