Number Systems
3/5 ÷ 1/2
6/5 or 1 and 1/5
72 + 1.52
51.25
4x + 3.75 = 9.5 for x=1.5
9.75 is not equal to 9.5. False.
is x=4 a solution to the inequality
4x > 15
Yes.
16>15 is true.
5008 - 927 =
4081
3.56(5.2)
18.512
3(2+2)2 ➗ 2 - 10
14
x/3.7= 8
x = 29.6
Graph x ≤ 16 on a number line
closed dot on 16 with graph going to the left
623(7) =
4361
Find the GCF and LCM
16 36
GCF = 4
LCM = 144
20 less than 4 times a number
4x - 20
Logan’s scout troop is selling candy for a fundraiser. The troop has a goal of raising $500 by selling c boxes of candy. For every box they sell, they make $2.75. Write an equation to describe the situation.
2.75c = 500
Solve
x ÷ 8 ≥ 24
x ≥ 192
51758 ÷ 7 =
7394
-|-10|
-10
3y2 + x2 + 9x + 4x2 - 5x + 17
5x2+3y2+4x+17
You get a summer job mowing lawns. For each lawn you mow (l) you get paid 5 dollars (d).
Which variable is the independent variable?
Which variable is the dependent variable?
Independent = L
Dependent = D
The temperature for the day never rose higher than 47 degrees.
x ≤ 47
Jim has 1 2/3 cups of strawberries and Sam has 1/5 cup of strawberries. How many total cups of strawberries do Jim and Sam have in total?
1 13/15 c of strawberries
Order from least to greatest
−2.1, 0.5, −0.5, 5/100
-2.1, -0.5, 5/100, 0.5
27r2+ 81r5
Factor
27r2(1+3r3)
To rent the arcade for a night it will cost $375 plus $0.25 for each game played. Write an expression to determine the total cost of renting the arcade.
If 52 games were played, what is the total cost?
375 + .25x
388
Five teachers go to a restaurant for lunch. They split the bill evenly. If each teacher’s part exceeded $8.00, write an inequality to determine the total cost, t, of their bill.
Graph the inequality
x/5 > 8
x > 40
Open dot going to the right
13.423 + .5 =
13.923