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Class 11MathematicsLinear InequalitiesIntroduction to inequalitiesExpert
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If (x\le 2), which statement about (7-4x) is correct?

Answer and explanation

Correct answer: (7-4x\ge -1)

Multiplying (x\le 2) by (-4) gives (-4x\ge -8), and adding (7) gives (7-4x\ge -1). Negative multiplication reverses the sign.

Related tags

Linear-InequalitiesBound-TransformNegative-MultiplierIntroduction To InequalitiesLinear InequalitiesMathematicsClass 11 Mcq
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10 more MCQs
  1. 1What does a < b mean?
  2. 2What is the correct meaning of the inequality \(x\ge 7\)?
  3. 3Which of the following is a linear inequality?
  4. 4Which of the following values satisfies the inequality \(x<4\)?
  5. 5For x=2, how is the statement x≤2?
  6. 6How should the statement “y is more than 10” be written as an inequality?
  7. 7Which inequality represents the statement “the variable p is not more than 12”?
  8. 8If (x>3), what do we get after adding (2) to both sides?
  9. 9If (m<6), what happens after multiplying both sides by (4)?
  10. 10If x>5, which inequality is correct after multiplying both sides by −1?
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