Expressions
Simplify the expression
4x+ 4 + (-2x)
2x + 4
Solve the equation
3x +17 = (-4)
x= (-7)
Which is the population? Which is the sample?
652 passengers in a cruise. 30 attended the magic show on board.
sample = magic show attendees
Definition of probability
The likeliness of something happening
What is the area of a circle is the radius is 4
50.24
Evaluate the expression 15x - 15.5
when x=7
89.5
Solve the equation 1/3 (12x-3) = 15
x=4
Find the mode of the data set
S = { 1 , 2, 1, 3, 1, 4, ,4, 1 }
Mode = 1
What is the probability of rolling a dice and landing on a 10?
What is the likeliness?
0/6, it's impossible
What is the area of a circle if the diameter is 4
12.56
Simplify the expression
3x + 2y+ (-4) +5y + (-7) - 4y
3x + 3y + (-11)
or 3x + 3y - 11
Solve the inequality
2x - 15 > 15
x > 15
Find the median of the data set
S = { 1 , 2, 1, 3, 1, 4, ,4, 1 }
Median = 1.5
1+2=3
3/2= 1.5
What consists of a probability model?
What is the diameter of a circle if the circumference is 18.84
6
Subtract the expressions
(16x + 5) and (8x - 5)
8x + 10
Solve the inequality
-5x - 26 < 14
x > -8
Find the mean of the data set
S = { 1 , 2, 1, 3, 1, 4, ,4, 1 }
Mean=2.125
How many combinations with a dice, coin, and spinner wither numbers #1-9?
108 total combinations
What is the volume of a cube if s=7
343
Factor the expression 27x + 15y - 45 with the GCF (greatest common factor)
3(9x +5y -15)
Solve the inequality
9 (2x + (-6)) > 54
x > 6
Find the min, Q1, Q2, Q3, and max of the data set
S = { 1 , 2, 1, 3, 1, 4, ,4, 1 }
min=1
Q1=1
Q2=1.5
Q3=3.5
max = 4
Rolling 2 dice, what is the probability that rolls are even numbers?
9/36
what is the area of a circle if the circumference is 31.4
78.5