Order of Operations
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Linear Stuff
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Solve for X
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Rational Numbers
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Proportions
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100
12 - (3 x 9 -7) ÷ 4 =
7
100
For the line y = 4x -6 find the coordinates of a point on the line.
examples: (0, -6) (1, -2) (2, 2) (3, 6)
100
x + 4 = 7
x = 3
100
Name an integer
-4 -3 -2 -1 0 1 2 3 4 etc.
100
6/21 = 10/x Solve for x
What is 35?
200
4 + 6 x 3ˆ2 + -5 =
53
200
Germy Jeremy measures the rise and run of two points on a line. He gets rise = 24 run = -3. What is the slope of the line?
Slope = -8
200
3x = 66
x = 22
200
Name two integers which, when divided, create a negative integer.
example -4/2 = -2
200
The ratio of boys to girls in a class is 2 to 3. There are 12 boys in the class. How many girls are in the class?
18
300
(-2)ˆ3 - 4 x 6 + 14 =
-18
300
Check out this table: x 0 1 2 3 4 5 y 0 -3 -6 -9 -12 -15 What is the equation for this line?
y = -3x
300
4x + 7 = 43
x = 9
300
Name an irrational number.
Possible answers Pi, Square root of 7, etc.
300
If 6 ounces of ice cream costs $2.49 how much does one ounce cost?
41.5 cents
400
(-2)ˆ3 + 12 ÷ 3 + 5 =
1
400
Check out the table: x -2 -1 0 1 2 3 4 y 2 4 6 8 10 12 14 What is the equation for this line?
y = 2x + 6
400
3x + 8 = 5x - 4
x = 6
400
Name two integers, which, when divided, make a terminating rational number.
example 3 divided by 4
400
A linear graph is proportional if....
It goes through the point (0, 0)
500
5ˆ2 + 2ˆ5 ÷ 2 + -(3ˆ2) - 22 =
10
500
Here are two points on a line. (-4, 9) (-1, 27) What is the slope of the line?
Slope = 6
500
-4x - 12 = 5x + 15
x = -3
500
Name two integers, which, when divided, make a repeating decimal greater than 9.
example: 127 11
500
12.6/44.4 = x/79.7 x=?
x= 22.6
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