Integers
Compare the following:
1/4 1/8
>
Graph:
x > 4
open circle pointing right
-5 - 9
-14
(6+9) / 5
3
Write the sentence as an equation:
The product of a number b and 8 is 80
b(8) = 80
What is the absolute value of |-2.3|
2.3
Put the points (2, -3) and (-1, 4) on a graph
Graph
5 - (-2)
7
(-2 - 4) + 8 x 9
66
Write the sentence as an inequality:
A number x divided by 2 is less than 12
x/2 < 12
Put the numbers in order least to greatest:
-2, -3.4, -3 1/3, -1.2, 1/5
-3.4, -3 1/3, -2. -1.2, 1/5
If you reflect the point (-1, 3) over the x-axis where would it end up?
(-1, -3)
-19 - (-4)
-15
-3(1 + 1) x 3^2
-54
Solve for x
3x = 21
x = 7
Which is colder:
-1.4 degrees or -1.34 degrees
-1.4
If you reflect the point (-4, 6) over the y-axis what would the point be?
(4, 6)
30/-5
-6
(5 + 8) - 9/3
10
Is x = 3 a solution to the equation?
-3x > -10
yes
If you start with $30 in the bank and you make the following transactions:
Withdraw $15
Deposit $50
Withdraw $22
Deposit $46
How much money do you have total?
$89
(3,2)
-6(-2)
12
4^3 - (-3) + 7
74
Solve for x:
x + 42 = 68
x = 26