graphing inequalities
what are the 4 inequality symbols
greater than, less than, greater than or equal to, less than or equal to
write the interval notation for the following inequality: x>4
(4,infinity)
solve the inequality: 5v + 1 > 7v - 17
v < 9
what is a compound inequality
two or more inequalities graphed together
What inequality symbols do you use an open circle with
< and >
write interval notation for the following inequality: x<-1
(- infinity , -1)
solve the inequality: 21x - 3(5x + 9) >= 7
x >= 17/3
what are the two types of compound inequalities that we learned about
OR and AND
What inequality symbols do you use an open circle with
less than or equal to AND greater than or equal to
write the interval notation for the following inequality: x >= 5
[5 , infinity)
solve the inequality: 12p + 52 > -2(4 - 2p)
p > -7.5
when graphing an OR inequality, will the lines go toward one another or away?
away
What does the following inequality look like graphed: x > 3
1 2 3 4 5 6 7 8
write the inequality equation for the interval notation below: (- infinity , 10)
x < 10
3 - (4m + 1) >= 5m - 25
m <= 3
when graphing an AND inequality, will the lines go toward one another or away?
toward
What does the following inequality look like graphed: 3x + 4 < 13
o-------------------------->
1 2 3 4 5 6 7 8
write the inequality equation for the interval notation below: [5 , infinity)
x >= 5
3(8x - 9) > 4(6x + 1)
no solution
What is the interval notation for the compound inequality: n + 6 <= 5 OR 9n + 7 > 43
(- infinity, -1] or (4, infinity)