Order of Operations
What is order of operations?
PEMDAS
20 more than a number
n+20
3 + x2 * 4 x=5
103
What is the difference between an equation and expression?
equation =
expression no=
3(x+2)
3x+6
6y+5c+8-3c
6y+2c+8
(9-3)3 + 4
220
The quotient of 14 and a number
14/n
2y + 9 y=6
21
What is a like term?
Same variable raised to the same exponent.
9(x-7)
9x-63
7x+3-7x
3
52+(34 - 4*5)
39
12 less than the product of 5 and a number
5n-12
6(x+y)2 x=5 y=4
486
What is the coefficient?
7x-1
7
5(2x+9)
10x+45
4(x+8)-20
4x+12
(3+5)^2/4
16
The quantity of 6 times a number decreased by 7
(6n)-7
1/2 + x/6 + x^2 x=4
17 1/6
How many terms are in the expression 7x + 3y - z - 9?
4
6(x+y-8)
6x+6y-48
4y+5x+9-y-8
3y+5x+1
Which inequality makes the statement true?
7 x (3+8) _____ 7 x 3 +8
<, >, =
Twice the square of the sum of a number and 6
2(n+6)2
(2x^2+y^2)/3 x=4 y=2
12
Given 4x2 - 8, what is the constant?
-8
Factor out the GCF
21x-14
7(3x-2)
4x2+x+7+3x-2
4x2+4x+5