Equation vs Expression
True or False:
Expressions contain the = sign
FALSE
Solve:
x + 40 = 75
x = 35
Solve:
5m + 6 = 16
m = 2
Something that varies or changes
Variable
True or False:
Equations Contain the = sign
TRUE
Solve:
3/7 + a = 4/7
a = 1/7
Solve:
x/6 - 4 = -10
x = -36
A number sentence that uses the equal sign to show two expressions are equivalent.
EQUATION
This mathematical combination of numbers, operations, and/or variables uses GEMDAS.
EXPRESSION
Solve:
16n = 48
n = 3
Solve:
a/3 + 6 = 8
a = 6
Define Constant
Something that does not change.
A number sentence that uses the equal sign to show two expressions are equivalent and also uses SADMEG as it's order of operation.
EQUATION
Solve:
x - 3.5 = 4.75
x = 8.25
Solve:
-4x + 7 = 15
x = -2
Define Inverse
True or False:
Expressions and Equations are the same thing
FALSE
Solve:
w/2.5 = 45
w = 112.5
Solve:
3x - 3 = 10
x = 13/3
This animal is a snake-like legendary creature that appears in the folklore of many cultures worldwide. Beliefs about this creature vary considerably through regions, but this being, in western cultures since the High Middle Ages have often been depicted as winged, horned, four-legged, and capable of breathing fire.
DRAGON