ALEKS Math Placement Exam |Questions with Verified Answers |Latest 2024/2025
9 views 0 purchase
Course
ALEKS Math Placement
Institution
ALEKS Math Placement
How to find percent of change 1) change/ original amount
2) make fraction into a decimal
3) move decimal to make it a percent.
How to graph parabola when given an equation * IN STANDARD FORM* *use y= ax² + bx + c*
1) find vertex using: x= -b/2a
2) graph vertex point
3) plug in value...
3) plug in value of vertex as x to get y coordinate
_’- _’- _’- _’- _’- _’- _’- _’- _’- _’- _’-
4) find additional points by plugging in x values into the y=ax² part of
_’- _’- _’- _’- _’- _’- _’- _’- _’- _’- _’- _’- _’- _’-
equation
5) graph each point FROM vertex point
_’- _’- _’- _’- _’- _’-
how to graph parabola when given an equation * IN VERTEX FORM*
_’- _’- _’- _’- _’- _’- _’- _’- _’- _’- _’- _’-_’- _’-
use: y=a(x+h)² +k
_’- _’- _’-
h= horizontal shift
_’- _’-
k= vertical shift
_’- _’- _’-
1) find vertex (h,k) and graph it
_’- _’- _’- _’- _’- _’- _’-
2) IF THERE IS *NO* VALUE FOR a, then go over 1, up 1
_’- _’- _’- _’- _’- _’- _’- _’- _’- _’- _’- _’- _’-
3) go over 2 up 4 for next points
_’- _’- _’- _’- _’- _’- _’- _’-
, rules for scientific notation
_’- _’- _’- _’-_’- _’- -decimal moved to RIGHT= (-) exponent
_’- _’- _’- _’- _’- _’-
-decimal moved to LEFT= (+) exponent
_’- _’- _’- _’- _’- _’-
*don't want zeros in front of decimal*
_’- _’- _’- _’- _’- _’-
how to find new price given a percentage off
_’- _’- _’- _’- _’- _’- _’- _’- _’-_’- _’- 1) subtract the given
_’- _’- _’- _’-
percent by 100 _’- _’-
2) make that number into a decimal
_’- _’- _’- _’- _’- _’-
3) multiply decimal by amount to get new price
_’- _’- _’- _’- _’- _’- _’- _’- _’-
ORRRR
1) change percent to a decimal
_’- _’- _’- _’- _’- _’-
2) multiply decimal by dollar amount
_’- _’- _’- _’- _’-
3) subtract that amount from the old amount to see new amount
_’- _’- _’- _’- _’- _’- _’- _’- _’- _’- _’-
simple interest _’- _’-_’- I= Prt
_’- _’-
(p= principle/ beginning amount)
_’- _’- _’-
*change percent into decimal*_’- _’- _’-
Compounded Interest _’- _’-_’- _’- *use when problem says annually*
_’- _’- _’- _’-
A= P (1+r)^t
_’- _’-
Positive Number _’- _’-_’- _’- Any number greater than zero
_’- _’- _’- _’-
Negative Number _’- _’-_’- _’- Any number less than zero
_’- _’- _’- _’-
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 AcademiaExpert. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $11.49. You're not tied to anything after your purchase.