Exam (elaborations)
ASVAB Math terms ASVAB Math Formulas.
- Course
- Institution
ASVAB Math terms ASVAB Math Formulas.
[Show more]
Seller
Follow
BRAINBOOSTERS
Reviews received
Content preview
ASVAB Math terms ASVAB Math Formulasbase
a number raised to an exponent. for example the base of 4³ is 4
reciprocal
• the reciprocal of 2 is 1/2
• the reciprocal of x is 1/x
• the reciprocal of 3/5 is 5/3.
Every number has a reciprocal except 0
sum
the result of adding 2 or more numbers
difference
The result of subtracting one number from another.
product
The answer when two or more numbers are multiplied together.
quotient
The answer to a division problem.
order of operations
PEMDAS lists the operations in order
P• parentheses E• exponents
,MD• multiplication and division from left to right
AS•addition and subtraction from left to right
how to divide by a fraction
One way to remember is the Keep, Change, Flip memory tool
4 ÷ 2/3 = 4 x 3/2
KEEP the four, CHANGE the division sign to multiplication, FLIP the fraction
to change a fraction into a decimal
divide the numerator by the denominator
to change a decimal into a percent
move the decimal point two spaces to the right (add zeroes if needed) and add a percent sign
example: .271 = 27.1%, 0.6 = 60%
to change a percent to a decimal
drop the percent sign and move the decimal point two places to the left, adding zeros as
needed. example: 8.7% = .087
how do you figure out your gas mileage (miles/gallon)
by dividing the number of miles traveled by the gallons of gas used
ratio
shows a relationship between two things, if Margaret invested in her beauty parlor at a 2:1 ratio
to her partner Julie, then Margaret put in $2 for every $1 that Julie put in
express 5% interest rate as a decimal
express 50% interest rate as a decimal
5 % = .05
50% = .50
simple interest formula
principle ($$ invested) × interest rate × time
irrational numbers
numbers that can't be written as a fraction Examples: π , √3, √11
√ of a number means ?
√144 = ?
, √ means square root
√144 = is always 12 and can include -12 if not dealing with distance, time or other amount that
must always be positive
the cube root of 27?
the cube root of 27 is 3 because 3×3×3=27
a circle has ___ degrees
a semicircle has ___ degrees
360°
180°
a quadrilateral
a shape with four sides. All the angles will add up to 360°
a straight line is ___°
180°
a right angle is exactly ___°
90°
an acute angle is more than ___° but less than ___°
more than 0°, less than 90°
an obtuse angle is more than ___° but less than ___°
more than 90° and less than 180°
complementary angles are
two angles that equal 90° when added together
supplementary angles are
two angles that equal 180° when added together
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller BRAINBOOSTERS. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $15.49. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
73918 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now