10 The product of -4 and a number is greater than 12 . Which solution from the set makes an inequally represented by the statement true? \[ \left\{-6,-3, r^{-1}, 3,15,16,17\right\} \]
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To solve the inequality, we start with the expression representing the product of -4 and a number \( x \): \(-4x > 12\). Dividing by -4 (and flipping the inequality sign) gives \(x < -3\). Now we can look at the solution set \(\{-6, -3, r^{-1}, 3, 15, 16, 17\}\) and see which numbers are less than -3. Clearly, -6 is less than -3, making it a valid solution to the inequality. In contrast, -3 is not less than -3 and the other numbers all exceed this threshold. So, from the set provided, -6 is the only number that makes the inequality true!