Inequalities by Amy Pedraza

Multiply and Divide negative numbers

3420881 — 2018-02-12 21:19:25 UTC

To multiply two negative numbers the answer would be a positive number like when multiplying (-7 x -7) the answer would be positive 49. When you divide two negative numbers the answer would be positive as well.

Matching inequalities

3420881 — 2018-02-12 21:36:50 UTC

x<-3
X+(-1) is less than -3

3420881 — 2018-02-12 21:45:39 UTC

The answer to this equation is -3 because when you are multiplying a negative by a negative the answer would be a positive.(-7x-3=21)

Rule: Reverse the inequality when multiplying or dividing by a negative number.

3420881 — 2018-02-13 02:28:48 UTC

3420881 — 2018-02-13 02:29:43 UTC

The rule is correct because when you multiply or divide a negative number it always equals the opposite which you can reverse the inequality to find the answer.

Write a two-step equation to the graph.

3420881 — 2018-02-13 02:36:36 UTC

3420881 — 2018-02-13 02:37:08 UTC

-15+x is less than or equal to -20

Video Connection

3420881 — 2018-02-13 02:40:09 UTC

You may view the video for a mini lesson to multiply or divide by a negative number.

3420881 — 2018-02-13 02:42:18 UTC

I learned about multiplying and dividing on both sides of the equation and when you multiply two negatives it gives you a positive and you can switch the signs