Explain what needs to happen to the inequality sign when dividing or multiplying by a negative number.

a. nothing happens c. change the inequality sign to an equals sign
b. flip the inequality sign d. the inequality needs to be graphed on a number line

Question

Explain what needs to happen to the inequality sign when dividing or multiplying by a negative number. 

a. nothing happens c. change the inequality sign to an equals sign 
b. flip the inequality sign d. the inequality needs to be graphed on a number line

ybarrap · Answer

-1 < 1
Now change divide each side by -1
1 < -1 
Is this true? One is less than negative One? Nope
So when we divide by -1, we need to flip the inequality sign

anonymous · Answer

Okay I got it!