Writing Inequalities
Write the sentence as an inequality.
The sum of a number and y is 9 and at least -1.
y + 9 < -1
Solve and graph.
(x/2) - 5 >or equal -9.
x >or equal -8
Look at graph.
Solve and Graph
-7 < 2c -1 < 10
-3 < c < (11/2)
Check Graph
Solve and graph
-5 < 2-h or 6h + 5 > 71
h<-7 or h > 56
Write the sentence as and inequality.
A number r is more than 0 or less than or equal to -8
r>0 or r<(or equal) -8
Solve and graph -4s < 6s + 1
s < (1/2)
Look at graph
Solve and Graph
-2<or equal 4-3a <or equal 13
-9<or equal a <or equal -2
check graph
Draw a graph that matches this inequality. x <or equal -3 or x>2
See Response
Write the sentence as an inequality.
A number k is less than 3 units from 10.
7<k<13.
Solve and graph
4p + 3 >or equal 2(2p+1)
All real numbers
Draw a graph for this inequality statement:
-4 < or equal x < or equal -1
See Responses
(r/4)<-5 or -2r-7 <3
r> -5 or r< -20
You start a small baking business and you want to earn a profit of at least $250 for the first month. The expenses in the first month are $155. Write an inequality to represent this situation.
x-155>or equal 250
Solve and Graph
2(3x + 8)>3(2x+6)
Infinite Solutions
Solve and graph
19 > 3z +1 > -5
-2<z<6
Write this as an inequality
m more than -7 or at most -10
m<or equal 10 or m> -7
Admission to a play cost $25 and a season pass costs $180. Write an inequality to represent the number of plays you must see for the season pass to be a better deal.
Next solve the inequality. Round to the nearest play
25x>180
x>8
Solve and Graph
5x - 6 + x >or equal 2x - 8
x>or equal -2
Check Graph
Write this as an inequality m more than -7 but less than 10
-7 < x < 10
A number n is less than -7 or greater than 12
Write an inequality
n<-7 or n>12