Vocabulary
Define Variable
A letter used to represent one or more numbers.
8x + 2x = 15x - 10
A.)-2
B.) 0.4
C.) 2
D.) 5
C.) 2
-8x + 10 = -2x + 34
x = -4
True or false.
-4 is a rational number
Define Constant
A regular number that stands alone, it has no variable with it.
8c + 5 = 4c - 11
A.) 4
B.) 2
C.)-4
D.) 6
C.) -4
-3x + 6 = -2x + 9
x = -3
Ture or false,
3.7654 is a rational number.
True
What is the number in front of the variable called?
Coefficient
10x + 2 = 4x - 4
A.) -7
B.) -3
C.) -1
D.) -1/2
C.) -1
-5x + 10 = -5x + 10
10 = 10
infinitely many solutions
What type of decimal is this 5.767676...?
Repeating decimal
What is the word for when we "get x by itself" ?
Isolate
180x + 108 + 35x = 65
A.) -1
B.) -1/5
C.) -5
D.) 5
B.) -1/5
3x - 4 = 2x + 8 - 5x
x= 2
What type of decimal is this .75?
Terminating decimal
DAILY DOUBLE (worth 1000 points):
What kind of solution do you have if "the math ain't mathin' " ?
No Solution
4y + 1 + y = -3 + 7y - 4
A.) -4
B.) -3
C.) 3
D.) 4
D) 4
32 = -(k/15) + 36
k = 60
In the Real Number System, what is the classification of Pi?
Irrational