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Mathematics
BY: CAROLINE VANG
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• Grouping Symbols ( ) [ ]• Exponents• Multiply or Divide *** Left to Right• Add of Subtract *** Left to Right
Order of Operation
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Distributive Property
• 3(5x+7) -3 15x+21-3 15x+18
Mult. Div. Integers
• -2*-3 6
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Equation• A math sentence that
contains numbers, variables an equal sign.
**WE SOLVE THEM**
Mult. Div. Equation• Same + Dif. -
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Two-Step Equation
• Ex. 2x+4=6 -4 -4 2x=2 2 2 x=1
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Inequality
• A mathematical sentence that contains… < > ,< > 15
x > 15
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Finding Solution
• Ex. Find four solution of y=2x-1 *Your in charge you make it* X Y -1 -3 0 -1 1 1 2 3
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Linear Equation
• All linear equation have two variables which appear in separate terms and do not have a exponent larger than one. When we graph a linear equation it forms a LINE.
ExamplesY=2x-1Y=3x
Y=x+5
Non ExamplesY= x2+1Y=2x3Y= 3 x
Y-x+2
X Y-3 10 41 52 63 7
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Numbers
Prime Numbers• A number that has only 2
factors ONE & ITSELF Ex. 17, 3, 19, 23, 7 ***Neither Zero or One are
Prime or Composite***
Composite Numbers• A number that has only 2
factors. Ex. 4,8,6,148,112
Factor• A number that will divide
evenly into another number.Ex. List the factors of 121, 2, 3, 4, 12
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Divisibilitary
# divis. by IF 2 If it last number is even. 3 If the sum of the digit is divis. By 3 4 If the last 2 digits is div. 4 5 If the # is div. by 5 or 0 8 The last three digits. (add) 9 If the sun of the digits is div. by 9 10 If the last number ends with 0
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Scale
• The scale gives the relationship between the measurements on a drawing or model and the measurement of a real object.
10in. Ex. 1 inch = 3 feet 5in.**There the same** 30ft
15ft
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Similar Figures
Are shapes with the same shape but different size.
• Angles have the same measures, sides are proportional.