Vocabulary
A letter used to represent an unknown number.
What is a variable?
x + 7 = - 12
x = -19
Solve for the variable:
3y - 18 = 9
y = 9
The variables in
7y + 2x = 22 - 8 ?
What is x & y ?
What math operation is 4x
multiplication (times)
A number that is right in front of the variable.
What is a coefficient?
m - 14 = 23
m = 37
Solve for the variable:
12 - 4s = - 8
s = 5
The constants in
7 + -y - 8 = -3z
What is 7 & -8 ?
What math operation is 6(z) ?
multiplication (times)
A number in an equation that is alone.
What is a constant?
-54 = 9x
x = -6
Solve for the variable:
-3 + 2c = 47
c = 25
The coefficients in
7 + -y - 8 = -3z .
What is -1 & -3 ?
What math operation is
4 - - 3 ?
addition (plus)
What is another word for "inverse"?
The opposite
5x= -55
x = -11
Solve for the variable:
-6k - 2 = 52
k = - 9
The coefficients in
19 + -2y = 12z - 8p
What is -2 , 12 & -8 ?
What is the opposite math operation of 3(p) ?
division
What is the inverse operation for subtraction?
Addition (plus)
d/-3= 12
x = -36
Solve for the variable:
7m - (-4) = -52
m = - 8
The constants in
1 + -3z - 9 = 145k + (-2)
What is 1, -9 & -2
What is the opposite math operation of 3 + 9 ?