Vocabulary
Equations
Inequalities
Functions
Systems of Equations
100
An unknown value represented by a letter
Variable
100
x+ 5 = 12
x = 7
100
1 > a + 3
a < -2
100
Does this graph represent a function?
No
100
Solve the system:
4x - y = 3
3x + y = 4
(1, 1)
200
The number that comes before a variable is called a(n)
Coefficient
200
x - 4 = 9
x = 13
200
n + 3 > 6
n > 9
200
Does this graph represent a function?
Yes
200
Solve the system:
5x + 2y = 4
3x + 6y = -12
(2, -3)
300
A collection of numbers, variables, and operators is called a(n)
Expression
300
3x = 15
x = 5
300
5 + r < -8
r < -13
300
This is an example of a
Line; Linear equation
300
Solve the system:
2x + y = 1
x - 2y = 18
(4, -7)
400
Opposite operations or operations that undo each other.
Inverse operations
400
x / 6 = 8
x = 48
400
7 > q + 9
q < -2
400
This is an example of a
Parabola; Quadratic function
400
Solve the system:
x + 3y = 9
4x - 2y = -6
(0, 3)
500
A number that stands by itself with no variable is called a(n)
Constant
500
x / 9 = 3
x = 27
500
6 - n < -5
n > 11
500
This line represents what type of function
Absolute value
500
Solve the system:
x - 3y = 3
2x - 6y = -24
No solution (parallel lines)