Practice Evaluating Expressions in Two Variables

Practice Problems

Now that you have mastered evaluating expressions in one variable, let's continue practicing with two or more variables.

Evaluate ‍\(3 + jk + k^3\) when \(j = 2\) and ‍\(k = 6\).
Evaluate ‍\(8r -rs\) when \(r = 6\) and ‍\(s = 5\).
Evaluate ‍\(8 - \frac{m}{n} + p^2\) when \(m = 8\), \(n = 2\), \(p = 7\).
Evaluate ‍\( \frac{9}{g} +2h +5\) when \(g = 3\) and \(h = 6\).

Source: Khan Academy, https://www.khanacademy.org/math/algebra/x2f8bb11595b61c86:foundation-algebra/x2f8bb11595b61c86:substitute-evaluate-expression/e/evaluating_expressions_2
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