Inequalities (5)

Question 1

If you multiply or divide by a negative number…

Answer 1

You flip the inequality sign

Question 2

Combine inequalities when…

Answer 2

1) Signs point in same direction

2) You’re adding. Subtracting leads to mismatched signs, so no combining there.

Question 3

If you don’t know the sign of a variable…

Answer 3

You can’t multiply or divide by it

Question 4

Before picking numbers…

Answer 4

Try the algebra. Use algebra to try to make the statements look like the question (or question look like the statements)

Question 5

WATCH OUT

Answer 5

for solving for variables. Tough to think a negative sign might be there when it isn’t explicity listed.