Compound+Graphing Inequalities
Solve:
5≤x-6<11
[11,17)
Would this symbol be open or closed circle?
<=
Closed
Write an inequality that represents the following statement: 4 more than a number x is at least 7
x+4>=7
x=11
Solve:
-1≤ 2x/3+5≤ 2
What is -9≤x≤-9/2
What is the symbol for less than or equal to
<=
What does < represet?
Less Than
3x+2=23
x=7
Solve:
2x<-8 and x-5<5
What is (4,10)
Two inequalitites joined by the words "and" or "or" are called ____ inequalities.
What is compound
When do you flip the inequality sign?
multiply or divide by a negative
7x+3=2x+13
x=2
Solve:
5x-3≤ 10
x<=13/5
What is the difference between an equation and an inequality?
a: They are the same
b: Equations have many solutions and Inequalities only have one
c: Equations have one solution and Inequalities have many
C. Equations have one solution and Inequalities have many
Solve:
-2 ≤ 3x-5 ≤ 7
What is [1,4]
2(x+2)-5=3(x+1)
x = -4
Solve:
x-3>-1 or x+2<4
x<2 or x>2
True or False: You flip the inequality sign any time you do an operation involving a negative. For example if I subtract 3 from each side I should flip the inequality sign
FALSE
Solve:
-x+5 >6 and 1+2x ≤ -5
What is (∞,-3]
3=(2x-5)/9
x = 16