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| Letter that represents a value. It can change. |
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| The number in front of the variable. |
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| Has one or more variables. |
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| A number that does not change. |
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| Put a value into the variable. |
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| Distance of a number from zero (always positive). |
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| So long as the only operations are addition or multiplication, you can switch around the numbers. |
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| As long as the operations are all addition or all multiplication, then you can move around the parentheses and it doesn't change the value of the expression. |
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The root of any equation is where the equation intersects the x-axis. |
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Definition
To find the roots of any equation:
1.) Set the function equal to zero (set y=0)
2.) Solve for x
This is the root of the equation, it is where the graph intersects the x-axis. |
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| Find a percent of a number |
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Definition
41% of 16=6.56
Of=multiply
Is means equal
66/92=0.72
72% of 92= 66
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