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12 Cards in this Set
- Front
- Back
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What is the definition of absolute value?
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The distance between a number and 0 on a number line. The absolute value of a number is written as IxI.
ex. I-5I = 5 I5I = 5 |
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How do you add integers with the same sign?
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1) Add the absolute values of the integers.
2) Then use the common sign ex. -2 + (-5)= 1) 2 + 5 =7 2) -7 |
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How do you add integers with different signs?
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1) Subtract the lesser absolute value from the greater absolute value.
2) Then use the sign of the integer with the greater absolute value ex. 8 + (-10)= 1) 10 - 8= 2 2) -2 |
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How do you subtract integers?
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1) Add the opposite
2) Determine if the integers have the same or different signs 3) Use the appropriate "Adding Integers" rule |
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Multiplying integers with the same sign is......
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positive
ex. 4 x 4 = 16 -4 x -4 = 16 |
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Multiplying integers with different signs is....
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negative
ex. 2 x -6 = -12 -2 x 6 = -12 |
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A coordinate plane is formed by what?
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The intersection of a horizontal number line (x-axis) and a vertical number line (y-axis)
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Define origin
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The place where the number lines intersect (0).
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The number lines intersect to form how many quadrants?
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4
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What is the x-axis?
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The horizontal number line
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What is the y-axis?
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The vertical number line
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What is the order of operations
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Parentheses
Exponents Multiplication or Division Addition or Subtraction |
