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SAT - New Math Formulas

SAT has always provided a math formula chart at the beginning of every math section. However, there are quite a few new formulas that students need to memorize in order to master the math sections.

A= P (1 + r) ^ t
The amount of money accumulated over t years can be calculated by raising (1 + r) to the t power where r represents the interest rate. Once this amount has been calculated then it is multiplied by P the amount of money initially invested.
Of course, this type of problem will be on the calculator portion of the math test.

If they ask for the continuously compounded interest, the formula used will be Pe^rt.

Half Life Decay Equation is f(t) = a .5 ^ t/h
a = initial amount
t = time (total)
h = time it takes for half the sample to decay 
t & h must be expressed in the same units

Quadratic formula is now required: -b + and - sqrt b^2 - 4ac all divided by 2a

Sum of solutions for a quadratic equation is -b/a .


9 Comments to SAT - New Math Formulas:

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George on Thursday, June 28, 2018 9:21 AM
Thank you for this very valuable information. I will add these formulas to my toolbox. Very informative update. All the contents you mentioned in post is really good and can be very useful. I will keep it in mind, thanks for sharing the information keep updating, looking forward for more posts.Thanks
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Anonymous on Thursday, July 05, 2018 6:19 AM
Nice
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Anonymous on Wednesday, July 18, 2018 5:02 AM
nice
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Bobbie Morton on Wednesday, August 15, 2018 2:26 PM
Product of solutions for a quadratic equation is c/a .
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buy essays online UK on Saturday, September 22, 2018 6:12 AM
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Ron on Wednesday, November 14, 2018 5:24 AM
thanks
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Ron on Saturday, November 17, 2018 3:54 AM
Thanks
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loegmrntdherid1 on Monday, November 19, 2018 10:34 PM
Thanks for sharing the such information with us.
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Robert on Wednesday, December 05, 2018 3:33 PM
Why were you so excited about this formula? Can you add some details here?
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