Sara's test scores in mathematics were 64, 80, 88, 78, 60, 92, 84, 76, 86, 78, 72, and 90. Determine the mean.
79
3x - 8 = 16
x = 8
Graph: y > 2x + 3
see graphs
64, 80, 88, 78, 60, 92, 84, 76, 86, 78, 72, and 90
What is the median?
79
-2x - 7 = -13
x = 3
Write a line parallel to: y = 2x - 1 , passing through the point (3, 8)
y = 2x + 2
64, 80, 88, 78, 60, 92, 84, 76, 86, 78, 72, and 90
Mode
78
1/2 x + 4 = -15
x = -38
Given f(x) = x2 - 2x + 3 , find f(2)
Given the explanation:
On average the cost of phones at Cell Phones R Us are $145.32.
Which measure of center was used to make this statement?
mean
The Median is a key quantity for this themed Data Set.
What is The Box Plot?
3x + 8 = 5x
x = 4
Write the system: (do not solve)
John has a total of 13 coins in his pocket, consisting of either quarters or nickels. If the total value in his pocket is $1.65, how many of each does he have?
.
x + y = 13
.25x + .05y = 1.65
Given the statement:
More than half the students scored an 82 on the quiz.
Which measure of center was used to write the statement?
Median
2(p + 6) / 3 = 20
p = 24
Solve the system (choose your method)
3x + 2y = 5
2x + y = 15
(25, -35)