algerbra ex
What is a variable
A letter or symbol used
3x4+6+9-8
19
what angle is 90 degrees.
A right angle.
100x60x3
18000
812 / div 4
203
What is a constant
A number on its own that does not change in an expression
5x6x2+4+8-12
60
The type of angle formed by the hands of a clock when it is exactly 3:00.
right angle
300x3x7
6300
2,808 div 24
=117
What is an algebraic expression
An expression that contains variables, numbers, and operations
7+8x5+87
134
What is 60 degrees?
If one angle measures 30 degrees, what is its complement?
500x56
28,000
900 /div/ 60
=15
The number multiplied by a variable
A Coefficient
56+68x5-32
364
What is an acute angle?
An angle measuring less than 90 degrees.
456x8
3,648
1,670 /div/ 200
8.35
Evaluating an expression
Finding the total value by plugging a specific number in for the variable.
5437+9846-276x4:
14,179
What is 360 degrees?
The number of degrees in one full rotation of a circle.
4365x45x32
6,285,600
11,424 div 56
= 204