When dividing an inequality by a negative number, remember that the direction of the inequality reverses. This is an important rule to consider when solving inequalities involving negative divisors.
The correct answer is: (B): \( \frac{a}{x} > \frac{b}{x} \)
We are given that \( a \), \( b \), and \( x \) are real numbers such that \( a < b \) and \( x < 0 \). We are tasked with determining the relationship between \( \frac{a}{x} \) and \( \frac{b}{x} \).
Step 1: Understanding the implications of \( a < b \) and \( x < 0 \)
We are given that \( a < b \), so initially, it would seem that \( \frac{a}{x} \) should be less than \( \frac{b}{x} \). However, since \( x < 0 \), we must consider how dividing by a negative number affects the inequality.
Step 2: Dividing by a negative number
When you divide both sides of an inequality by a negative number, the direction of the inequality reverses. So, dividing \( a < b \) by the negative number \( x \) gives:
Step 3: Conclusion
Thus, since \( x < 0 \), the inequality reverses, and we have \( \frac{a}{x} > \frac{b}{x} \), which means the correct answer is (B): \( \frac{a}{x} > \frac{b}{x} \).
A wooden block of mass M lies on a rough floor. Another wooden block of the same mass is hanging from the point O through strings as shown in the figure. To achieve equilibrium, the coefficient of static friction between the block on the floor and the floor itself is
In an experiment to determine the figure of merit of a galvanometer by half deflection method, a student constructed the following circuit. He applied a resistance of \( 520 \, \Omega \) in \( R \). When \( K_1 \) is closed and \( K_2 \) is open, the deflection observed in the galvanometer is 20 div. When \( K_1 \) is also closed and a resistance of \( 90 \, \Omega \) is removed in \( S \), the deflection becomes 13 div. The resistance of galvanometer is nearly: