Real Number System
Linear Equations
Linear Relationships
Scatter Plots and Data
Random
100
Change .3 to a fraction
3/10
100
Simplify the following expression:
2x + 3 - 2 + 4x
6x + 1
100
Is this a function?
Yes
100
What type of association is this?
Positive
100
Give an example of an irrational number.
3.14159...
200
Change 23/100 to a decimal.
.23
200
Solve the following equation for x:
3x = 15
x = 5
200
Find the slope of the ordered pairs:
(3, 6) and (2, 11)
-5
200
What type of association is this?
No association.
200
Write an example of a one step equation and solve it.
Ex: 2x = 2
x = 1
300
What type of number is -3? List all that apply. (natural, whole, integer, rational, irrational)
integer, rational
300
Solve the following equation:
2x - 10 = 12
x = 11
300
What is the slope, or rate of change, of the line above?
m = 2
300
Does this have a linear or nonlinear trend line?
Nonlinear
300
Give an example of an equation in slope-intercept form.
Ex: y = 3x - 2
400
Find the square root of 150 and round it to the nearest hundredths place.
12.25
400
-3x -1 < 5
x > -2
400
What is the slope and y-intercept of the following equation:
y = -2x - 1
And show how you would graph it!
m = -2
b = -1
Draw graph.
400
Give your own example of a relationship between two things that would have no association.
Ex: Intelligence and height
400
Give an example of an equation in slope-intercept form and draw the graph for it.
Ex: y = 2x + 1
m = 2
b = 1
500
Write the scientific notation for the following number:
0.025791
2.5791 x 10^-2
500
Solve the following equation:
7x -2 = 5x + 4
x = 3
500
Draw 1 example each of a proportional and non-proportional graph.
Proportional-linear and goes through the origin.
Non-proportional-nonlinear and/or does not go through the origin.
500
Give your own example of a relationship between two things that would have a negative association.
Ex: Number of hours read and pages left in a book.
500
Create your own equation with variables on both sides and solve for x.
Ex: 2x + 1 = x - 3
x = -4