Tuesday, June 15, 2010

Exam Review

Exam Review


Variable - A letter that represents an unknown number.
Expression - Any single number or variable, or a combination of operations involving numbers and variables.
Equation - A mathmatical statment with two expressions that have the same value.

Eg. Variable a,b,c
Eg. Expression 2,x,2x+1
Eg. Equation 1+1=2, 2x=4 , 2+3=4+1

Find and describe the pattern. ID the next 3 terms.
Subtract 6 each time

Is this linear equation x=2y?
False backwards, should be y=2x

Should be y=2x+1


Mean -The sum of a set of values divided by the number of values in a set.
Median - The middle number in a set of data after the data have arranged in order.
Mode - The most frequently occuring number. It can be used more than one.
Range -The difference between the large and small values in a set.
Outlier - A value that is much smaller or larger than the actual answer.

Find the mean,median,mode,range,and outlier.
Mean - 70
Median -75
Mode -73,75
Range -64
Outlier -17


  1. Great job, Demvry !
    I think you could've put a video.
    I really liked your pictures and how you made the colours different!

  2. Good job Demvry! I like the images, they look very neat and clear. I suggest you don't use the light shade of green! It's a bit hard to see!

  3. Good job demvry! Everything is nice and neat. I like how you made the words that are important red. You could try No usin lift colors like light green because it's really hard to read it. Overall great job!:)

  4. Great job Demvry! I liked how everything was organized added pictures. Next time, you other colors, other than light colors like bright green. Try to remember to put a link and video. Overall, Good Job!

  5. Good Job. I like how everything was organized. Maybe choose darker colours.

  6. Good Job Demvry. I liked how you used different colors. I also liked the pictures you used. Next time try not to use green cause its hard to read. Anyways good Job.