Is it a Function?
Set of Numbers/Domain&Range
Linear Inequalities
Linear Equations
Number System & Properties
100
What is the name of the test used to determine if a graph is a function?
Vertical Line Test
100
Domain always refers to the ____ values and range refers to the ____ values.
x values
y values
100
What type of line would we use to graph the inequality 2x + 5 < 10?
dotted
100
Identify the slope in the equation:
y = -3x + 1
m = -3
100
What are natural numbers?
numbers you count!
1, 2, 3, 4, ...
200
If one line hits the graph more than once, it is a function.
True or False
False
200
What is the name of the notation that we use to list numbers in the domain?
a) Set-Builder Notation
b) Roster form
c) Interval Notation
b) Roster Form
200
List at least THREE things that you MUST do when graphing a system of inequalities.
1) Isolate the y
2) Use the correct lines (dotted or solid)
3) shade above or below
4) draw an S in the solution space
5) Label your lines
6) Arrows
200
What is the formula for slope intercept form?
y = mx + b
200
Rational Numbers are all numbers that can be written as a fraction.
True False
True
300
How do you know if a set of points is a function or not?
If any of the x values repeat, it is NOT a function.
300
{x is an integer | x < 5} would be an appropriate notation for the following set:
{5, 6, 7, 8, 9, 10 ...}
No! These numbers are GREATER than 5 and we do not include 5
300
Where do you mark an S on the graph?
where the two shaded areas overlap
300
What are the two names of methods we could use to solve a system of equations?
1) Substitution
2) Elimination
300
The most popular IRRATIONAL number is ...
PI
400
Is the following set a function? Why?
{(2, 5), (3, -1), (6, 3), (2, -9)}
No
400
What is the domain of the following set? In the CORRECT order.
{(2, 4), (1, -3), (-5, 2), (-1, 4), (6, 12)}
{-5, -1, 1, 2, 6}
400
For the phrase "at least" we would use the _____ symbol and for the phrase "at most" we would use the ______ symbol.
at least --> greater than or equal to
at most --> less than or equal to
400
What kind of line would x = 3 be?
Vertical Line
400
Which property is shown below?
Step 1: 3(x - 2) = 15
Step 2: 3x - 6 = 15
Distributive Property
500
Is the following set a function?
{(1, -4), (-3, 5), (2, 1), (3, -4), (5, 4), (-4, 7)}
Yes
500
What is the RANGE of this function?
(-infinity, 5]
500
Identify one possible solution for the system below.
multiple answers.
500
What is the formula for POINT SLOPE form?
y - y1 = m(x - x1)
500
Which property is shown below?
a + (b + c) = (a + b) + c
1) Identity Property
2) Commutative Property
3) Associative Property
3) Associative Property