Terminology
Is this an expression or equation?
4x + 3 = 15
Equation.
Simplify:
2 x a x b
What is 2ab?
4a/2
2a
Simplify:
4a + 2a
What is 6a?
3-5
-2
A number before a variable, e.g. 5x
What is a coefficient?
Simplify:
2 x 3a
6a
3a/a
3
Simplify:
4a + 5 +2a
7a + 5?
12--3
15
A number by itself (5) in an algebraic expression,
e.g. 2x + 5
What is a constant?
Simplify:
4 x a + 5 x b
4a + 5b
12b/4b
3
Simplify:
5a+3b+2a
7a+3b
4a-7a
-3a
What is a term?
Simplify:
6a X -2b
-12ab
4x/xy
4/y
Simplify:
2a + b + 4a + b
6a+2b
4y-y
3y
The number of terms in this equation
3x + 8 - 7x = 12
What is 4?
Simplify:
2ab x 3bc x 4b
24ab3c
10ab/2bc
5a/c
2a+3y+a+7y
3a+10y
-5x--2x
-3x