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PEMDAS & Writing Equations
Solving One-Step Equations
Multi-Step Equations
Absolute Value Equations
Rations, Proportions, and Percent Change
100
Translate into an equation: Five times x, plus four, divided by x squared equals 7
(5x+4)/x^2 = 7
100
j - 87 = -3
j = 84
100
2a - 6 = 4
a = 5
100
|p| = 31
p = 31 or -31
100
Are 2/3.5 and 8/14 equivalent?
Yes
200
Seven times a number squared is five times the difference of k and m
7n^2 = 5(k - m)
200
-12 = p + 16
p = -28
200
(n + 1)/-2 = 15
n = -31
200
|3x + 2| = -8
No Solution
200
r/8 = 25/40
r = 5
300
Evaluate 3 + 42 * 2 - 5
82
300
4x = 28
x = 7
300
2/3p - 25 = 115
p = 210
300
|4m + 2| =2
m = 0 or -1
300
Original = 66, Final = 30, Determine the percent change
Decrease of 55%
400
6[32 - (2+3)^2]
42
400
-1/2x = -19
x = 38
400
9 = 4(4 - 2r) -3
r = -1/2
400
|-1/2b - 2| = 10
b = -24 or 16
400
A ticket to see the Wild Stallions costs $120 dollars with a 7% tax. What will the final cost be?
$128.40
500
Evaluate 3x^2 + (2y + z^3) if x = 4, y = 5, z = 3
85
500
-1/4 = 2/3b
b = -3/8
500
3(2k - 2) = -2(4k - 11)
k = 2
500
|3/4 a - 3| = 9
a = 16 or -8
500
Bieber Fever is waning, and in order to sell tickets, a $200 ticket is 73% off. What is the new price?
$54