Linear Equations and Inequalities

Question 1

Changing the Sign

Answer 1

When a negative number is used to multiply or divide on one side of the equation the sign changes when that number is moved to the other side of the equation(keeping the negative sign).

Question 2

When is the dot shaded in the number line?

Answer 2

When the variable is less than or equal to / greater than or equal to the number represented on the number line.