Solve .
Answer and explanation
Correct answer: C.
- Step 1: Divide both sides by .
- Step 2: The inequality sign reverses: .
Answer
.
Why not the others: : dividing by a negative number reverses the sign. : the sign of was lost. : both the sign and the direction are wrong.
Practise more Expressions, Formulae and Relationships.
Free questions with an explanation for every one, and full timed National 5 (Scotland) mock tests.