Algebra Terminology
What is the variable in 7g
g
Identify the like terms in 2x+2y+4x+2x2
2x and +4x
2t+5t
7t
Evaluate: 2x if x=3
6
The sum of 9 and a number
9+x
What is the coefficient in 2h
2
Define: like terms
Any term that has the exact same variables and corresponding powers
2x+6+4x-3
6x-3
what is y equal to if a=3 and x=5
y=a+b
y=8
Half of a number
x/2
identify a term in the function y=2x2-2x+4
y or 2x2 or -2x or 4
simplify: 2y+4y+x+y
7y+x
x3+x3
2x3
what is a equal to if m=3 and n=5
a=4m-2n
a=2
The difference between three times a number and 5
3x-5
Define and expression and give an example
An expression is a mathematical sentence that does not have an equal sign
Example is anything that has one or more terms without an equals sign
Simplify: 2a + 2a2 - 2a + a2
cd-4c+5d+2c-2d
cd-2c+3d
Evaluate: (6j)/k if j=3 and k=2
9
Four less than a number squared
x2 - 4
Write an equation that contains at least one constant and at least one variable
something like: 5=2x+3
Simplify:
-2b + 3r + 2r - r +5b
3b + 6r
3ab+2a2-7ba+4a
-4ab+2a2+4a
Evaluate: 3x-2y+5 if x=4 and y=11
-5
anumbre multiplied by 7 is split into 3 equal groups
7x/3