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Module Progress: Inequalities and Graphs (G12)

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Inequalities and Graphs (G12)

question 1 of 12 Grade: Twelve - G12

Q: Solve the compound inequality: \(-3 \leq 2x + 1 < 5\)

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This is an incomplete quadratic: \(2x^2 - 8 = 0\) ⇒ \(2x^2 = 8\) ⇒ \(x^2 = 4\) ⇒ \(x = \pm\sqrt{4}\) ⇒ \(x = \pm2\). So the solutions are \(x = 2\) and \(x = -2\).

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Did You Know?

This is an incomplete quadratic: \(2x^2 - 8 = 0\) ⇒ \(2x^2 = 8\) ⇒ \(x^2 = 4\) ⇒ \(x = \pm\sqrt{4}\) ⇒ \(x = \pm2\). So the solutions are \(x = 2\) and \(x = -2\).

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