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ALEKS Math Placement Exam |Questions with Verified Answers |Latest 2024/2025
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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...

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  • September 13, 2024
  • 13
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

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  • aleks math placement exam
  • aleks math placement
  • aleks math placement exam questions with verified
  • math placement exam questions with verified

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  • ALEKS Math Placement

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ALEKS Math Placement Exam |Questions _’- _’- _’- _’- _’-




with Verified Answers. _’- _’- _’-




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 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
_’- _’- _’- _’-

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