Solving for x
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Unit Rates
Adding Integers
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Distributive Property
100
x + 4 = 16
x = 12
100
The words no less than mean you should use which inequality symbol?
Greater than or Equal to.
100
What is the slope of a line that rises 4 and then runs 8?
m = 1/2
100
8(4+2) = ?
48
200
8x = 64
x = 8
200
The words deposit, borrowed, or invested are all key words for what part of Simple Interest?
Principal
200
If Timothy can eat 12 cookies in 48 seconds. How many seconds would it take him to eat 24 cookies?
96 seconds
200
5(x-3)
5x-15
300
2(x+4) = 10
x = 1
300
How do you convert a decimal to a percent?
You move the decimal point two places to the RIGHT
300
Hazel uses the equation y = 16.25x to find out how much money (y) she will earn after (x) amount of hours. What does the 16.25 mean in the equation above?
16.25 is the Unit Rate or Constant of Proportionality
It is how much money Hazel makes per hour.
300
7+9(2x-3)
18x-20
400
4(x-3) = 5(x+2)
x = -22
400
If you are adding two integers with different signs (one is positive and one is negative), what do you do?
Subtract and take the sign of the larger number.
400
If the number of apples that grow on a tree is 14, how many apples will grow if Jermaine plants 17 trees?
238 apples
400
-3(-x-10)
3x+30
500
5(x - 4) +6 = 31
x = 9
500
Why is it important to see whether or not a negative sign is outside of the parentheses?
Ex. -(33) or (-33)
It tells us whether the number we are multiplying is positive or negative.
500
A map shows that the distance between your house and the Bass Pro Shops is 13 cm. If you know that the Bass Pro Shops is 52 miles away in real life, what is the scale of the map?
1 cm : 4 miles
500
6 + (-2 + -5)
-1
500
Solve for x
-4y + 2x + 28 = 0
x = 2y - 14