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If \(p<3\), what do we get after multiplying both sides by 6?

Answer and explanation

Correct answer: \(6p<18\)

The governing property is that multiplying both sides of an inequality by a positive number preserves the inequality direction. Starting with p < 3, multiply each side by 6: 6p < 6 × 3, so 6p < 18. Therefore option A is correct. The direction would reverse only if both sides were multiplied or divided by a negative number. Option B incorrectly reverses the sign even though 6 is positive. Option C multiplies only the right side and leaves p unchanged, so it is not an equivalent transformation. Option D changes both the coefficient and direction without justification. The operation must be applied equally to both sides.

Related tags

Linear InequalitiesPositive MultiplicationInequality PropertyAlgebraic Solution Of Linear Inequalities In One VariableMathematicsClass 11 Mcq

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