INEQUALITIES
WHEN DO YOU FLIP AN INEQUALITY SYMBOL?
WHEN YOU DIVIDE OR MULTIPLY BY A NEGATIVE
SOLVE
WHICH OPERATION WOULD I DO FIRST?
33 - 10(5 · 42 ÷ 8)
A) 33
B) 5 · 42
C) 42 ÷ 8
D) 42
D) 42
WRITE 36% AS A FRACTION
9/25
2 BAGS OF CHIPS COST $1.80. AT THAT RATE WHAT WOULD BE THE COST OF 5 BAGS?
$4.50
WHAT IS THE MODE OF THE DATA?
1,2,3,4,5,6,7,100
NO MODE
SOLVE
-4M < 2
M > - 1/2
SOLVE
2 - 12 - (7 - 12) + 5
0
CAROLINE HAS 1 1/5 LBS OF RICE. SHE WANTS TO PUT THE RICE EQUALLY INTO 4 DIFFERENT CONTAINERS. HOW MANY LBS OF RICE WILL BE IN EACH CONTAINER?
3/10 LBS
THERE ARE 12 STUDENTS IN A CLASS. THE RATIO OF GIRLS TO BOYS IS 1 TO 3. HOW MANY BOYS ARE IN THE CLASS?
9
WHAT IS THE RANGE?
12, 17, 21, 9, 17
12
WRITE THE INEQUALITY TO REPRESENT THE FOLLOWING SITUATION.
THERE ARE 4 BAGS WITH THE SAME AMOUNT OF MARBLES. THE TOTAL MARBLES IN THE BAGS ALL TOGETHER IS AT LEAST 20.
4X ≥ 20
SOLVE
23 ÷ 4 · - 9 - (-20 + 24)
-14
SOLVE
-10(-1.54)
15.4
HOW MANY CUPS OF KOOLAID IS IN 26 FLUID OZ? (1 CUP = 8 FLUID OZ)
3.25 CUPS
WHAT IS THE MEAN OF THE DATA?
2,2,2,7,7,16
6
SARA WILL CONSTRUCT A RECTANGLE THAT HAS A HEIGHT OF 4 UNITS AND AN AREA UP TO 48 SQUARE UNITS. WHICH INEQUALITY REPRESENTS ALL THE POSSIBLE LENGTHS IN UNITS OF THE BASES, B THAT CAN BE USED.
A) B ≤ 44
B) B ≥ 52
C) B ≤ 12
D) B ≥ 192
C) B ≤ 12
(51 · -2 + 12 ÷ -6) - 05 - 12
-24
SOLVE
2/5 + 1/4 - 9/10
- 1/4
IN A BATCH OF 210 GAMES 30 IS DEFECTIVE. IN A BATCH OF 840 GAMES HOW MANY CAN WE EXPECT TO BE DEFECTIVE?
120 DEFECTIVE GAMES
WHAT IS THE MEDIAN OF THE DATA?
18,12,18,21,33,47,30,17,40,24
22.5
SOLVE
10B - 5 > -10
B > - 1/2
33 - 30 - (72 + (50 - 92 ÷ 3 )-21+21)
-75
FIND 3/4 OF 24.
FIND 5/6 OF THAT ANSWER.
DIVIDE THAT ANSWER BY 3/5
25
A RECIPE REQUIRES 1/4 LB OF ONIONS TO MAKE 3 SERVINGS OF SOUP. MARK HAS 1 1/2 LBS OF ONIONS. HOW MANY SERVINGS CAN MARK MAKE?
18 SERVINGS
WHAT IS THE INTERQUARTILE RANGE FOR THE DATA?
2,4,5,7,8,10,12,14,17
8.5