Homework Help: High School Math

Posted by Brian on Wednesday, October 3, 2012 at 3:20pm.

Y over -6 > 10 and i need to solve

A. y < –16
B. y > –60
C. y > 4
D. y < –60 I got C, but thats not right

High School Math - Steve, Wednesday, October 3, 2012 at 3:26pm
y/-6 > 10
y < -60

Looks like D

When you multiply be a negative value, change the direction of the inequality. It's just a shorthand way to make things switch sides. Since

y/-6 > 10
that's the same as
-y/6 > 10
add y/6 to both sides to get
0 > 10 + y/6
now subtract 10 to get
-10 > y/6
now multiply by 6 to get
-60 > y
or
y < -60
High School Math - Brian, Sunday, October 7, 2012 at 10:39pm
Thank you so much I have put your info into my notes....

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