Equations and inequalities Flashcards
(5 cards)
1
Q
What do you do when they ask you to plot |x+7|<5
A
you set it up like this
-5>|x+7|<5
solve for both sides, and plot
2
Q
What do you do when they ask you to plot compound inequalities.
A
LOOK FOR WORDS “AND” or “OR”
if its AND: the solution is made up of values that make both inequalities true
if its OR: the solution is made of up values that make either inequality true
3
Q
When dividing by a negative number what do you do to the inequality sign
A
you flip it
4
Q
when looking at a compound inequality when do you use the union thing
A
When you have a OR situation that does not overlap
5
Q
in a compound inequality, when do you use “no solution”
A
when its AND and nothing overlaps
