Learning Goal 7

Learning Goal 7

Equation:
A statement that the values of two mathematical expressions are equal (indicated by the sign =).

2+4=6


Variable:
A variable is a quantity that may change within the context of a mathematical problem.

1x+2=24


Solve:
To find the answer or explanation for.

1+1=?
1+1=2
?=2


Solution:
A means of solving a problem.

8*24=?
The solution is 192


Substitution:
A strategy for solving systems of equations that include solving for one variable and using that solution to find the other variable.

p=3
q=1

pq=3
p+p=6
p*p=9


An algebraic expression is a mathematical phrase that contains ordinary numbers or variables:

2x+3xz+25