Ch8-11 Review

Ch8 Integers

• Adding or subtracting
  • up or down on the number line
  • subtract a positive is like adding a negative
• Used algebra tiles to show multiplying / dividing
• What does the sign mean?
  • how far did you go down the stairs
    • a negative number means you actually went up
• Sign Rule
  • rule for what the sign is on a multiplying or dividing
  • odd number of negatives make a negative
  • even numbers of negatives make a positive
• BEDMAS

Ch9 Linear Relations

• Graphs
  • all the dots are in a pattern
    • make a straight line
    • consistent pattern in the table
    • use a formula in the format y = 3x + 2
• Tables of Values
• Use a formula to find other coordinates on the line

Ch10 Solving Linear Equations

• Use Reverse BEDMAS to solve
  • use opposite operations
• Keywords
  • coefficient
  • variable
  • constant
  • distributive property
• Solve variables in
  • two step equations
  • one step equations
  • two step equations with a bracket

Ch11 Probability

• Vocabulary
  • experimental probability
  • theoretical probability
  • sample space 
  • outcome
  • independent events
• Convert probabilities to percents and decimals and fractions
• Using a tree diagram or table to find outcomes
• Find the number of outcomes by multiplying
• Find probabilities of independent events by multiplying

Ch12 Tessellations

• look at a picture and say whether it is
  • reflection
  • rotation
  • translation