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Flash Cards As you review the PowerPoint, think about what comes next.

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Perimeter add up all the sides add

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Area use the formulas multiply Parallelogram Rectangle (Square) Triangle These formulas are NOT given to you on the test!!

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Volume use the formula multiply This formula is NOT given to you on the test!!

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Slope

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Positive Slope the line goes up

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Negative Slope the line goes down

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Parallel Lines have the same … Slope

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Nope, this is y = +xNope, this is y = ??Nope, this is y = +x 2 Use what you now about lines and parabolas.

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Mean average Add up all the numbers and divide by the # of numbers

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Median middle Put the numbers in order, then find the middle number.

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Mode most Find the number that appears the most.

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Reciprocal flip DOES NOT CHANGE THE SIGN!

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Opposite change the sign. The opposite of a positive is negative The opposite of a negative is positive

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%percent convert to decimal and multiply move the decimal 2 places to the left What is 25% of 60? (0.25)(60) =15

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Scientific Notation positive # is a big # negative # is a small # must be greater than or equal to 1 and SMALLER than 10 move decimal to the RIGHT move decimal to the LEFT

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Square Root symbol What # times itself equals the inside?

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Absolute Value symbol makes the number positive NEVER negative

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when solving, there will be 2 answers

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Equations or Inequalities Plug it in, plug it in…

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Positive correlation (relationship)

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Negative correlation (relationship)

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No correlation (relationship)

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Probability write as a fraction What you want Total

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Sumaddition Differencesubtraction Productmultiplication Quotientdivision

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Pythagorean Theorem Tells us the lengths of the sides

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Whenever you see a RIGHT triangle, think these numbers.

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Reflection think mirror Where is the mirror? y -axis

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Reflection think mirror Where is the mirror? x -axis

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Congruent Same Shape Same Size

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Triangle interior angles add to Online Demo

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