Order of Operations
10 - 6 + 12 - 3
13
3x + 7x - 4x
6x
8x = 72
x = 9
Solve: x + 3 <= 8
x <= 5
Numbers that are non-repeating and non-terminating
Irrational Numbers
6 x 5 / 6 x 5
25
-5 + 9y - 3 - 12y
-8 - 3y or -3y - 8
3x - 5 = 13
x = 6
What do you draw to represent < or > on a number line?
Open Dot
3x + 4x + 9 is an example of a(n) ____, because there is no equal sign
Expression
53 - 100 / 4 + 6
106
2(4k + 3) - 7
8k - 1
8 - 3y = -16
7 > 5x - 8
3 > x or x < 3
3x and 4x can be combined because they are ____ _____
Like terms
-2(6 + 2)2
-128
4t2 - 3t + 2t2 - 10 + 5t
6t2 + 2t - 10
10x - 15 = -7 + 2x
x = 1
4 - 10x > 44
x < -4
3(x + 4) = 3x + 12 demonstrates what property?
Distributive Property
7 + (-2)5 / 4 + 19
18
.5(-12x - 7) + 8(.25x + 1)
-4x + 4.5
3(x - 2) + 5 = -5(2 - 2x)
x = 1
Solve the inequality: 7x - 4 > 5x + 2
x > 3
1, 2, 3, 4... are considered what kind of numbers?
Integers