TSI Math test Exam Questions and Correct Answers 2024

TSI Math test Exam Questions and Correct Answers 2024 PEMDAS - Answer -(parenthesis, exponents, multiplication, division, addition, subtraction) work left to right Exponential Notation - Answer -Ex: 6^4, 2^3, 9^10, etc. Expanded Form - Answer -Ex: 7x7x7, 6x6, 2x2x2x2x2, etc. Standard Notation - Answer -Ex: 5^2= 25; 25 is the standard notation (the answer or solution) +x+ - Answer -=+ +x- - Answer -=- -x- - Answer -=+ Adding or Subtracting fractions - Answer -You need a common denominator Multiplying fractions - Answer -no special rule, just multiply Ex: 2/5 x 3/9= 6/45 Dividing fractions - Answer -flip 2nd fraction and multiply Ex: 2/5 divided by 3/9= 2/5 x 9/3 Solving Equations w/ fractions - Answer -either multiply both sides of the equation by the reciprocal of the fraction, or multiply both sides of the equation by the denominator of the fraction Percent Increase or Decrease problems - Answer -Formula: amount of change/ original number. Ex: Find the percent decrease if the price changes from $60 to $39. 60-39= 21. amount of change= $21 original number= $60. $21/$60= 0.35. Convert to percents. 0.35= 35% Interest - Answer -Formula: interest= principal x rate x time (I= PxRxT) Point - Answer --A point has no dimension -It is represented by a dot -A point is written using an upper-case letter Line - Answer --A line has one dimension -Named using any two point on a line w a two sided arrow above them -It can also be named using a lower-case c