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17 Cards in this Set
- Front
- Back
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If you get stuck in a log problem, what should you do?
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Try changing to exponential form.
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What is the formula for the length of an arc of a circle or sector?
(pizza crust) |
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What do you use when asked about "the nature of the roots"?
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The discriminant
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What are the four possible results when you find the discriminant... what do they mean?
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How do you solve a quadratic INequality?
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1. set EQUAL to zero
2. factor & solve 3. place the solutions on a number line. Test to find RANGE of solutions. |
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What is the formula for direct variation?
"two variables vary directly" |
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What is the formula for indirect variation?
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y = a/x or xy = a
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How would you solve this?
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1. isolate base by dividing by 2.
2. raise exponent to the reciprocal power ... 3/2... both sides. |
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What is the equation of a circle?
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How do you find variance?
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Square the Standard Deviation
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What do you do if you get a weird looking Trig Problem?
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Look at the formula sheet.
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Write this in a+bi form
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re-write with an exponent
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what does "is" mean (in math)?
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is means =
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What does "of" mean in math?
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"of" means "times" - multiply
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What does "or" mean in math probability
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"or" means to add.
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What is the inverse of the exponential function?
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the log function
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