Question

solve using the multiplication principle.

-2x> 1/9

the solution set is {x|x ? ?}

Answer 1

if the number is negative do I switch the > to a <??

Answer 2

yes

Answer 3

x<1/18

Answer 4

thank you, did you just multiple -2 by the 1 and by the 9 ?

Answer 5

divide by (-2) or multiply by (-1/2)
you want 1 in a front of x

Answer 6

oooh ok

Answer 7

HINT:

A quick way to remember the rule for "flipping the sign" is this quick test:

-1 < +1

But if I multiply both sides by -1

(-1)(-1) > (-1)(+1)
+1 > -1

so the sign must be flipped. :)