eog review middle school math 2
Terms
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Same shape, same size.
Exactly the same. - Congruent
- Tells us how many times to multiply the number times itself. Write the products of the same numbers in a shorter way.
- Exponents
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True or False?
Area is the region inside a figure. - True
- Perimeter is the distance around a polygon. How do you find perimeter?
- You add ALL the lengths of the sides to find perimeter.
- Mean is another word for average. How do you find the mean?
- Add all the numbers together then divide by how many numbers you added.
- When a group of numbers is ordered from smallest to largest, the middle number is called the...
- Median
- The chance of something happening?
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Probability
Number of ways an outcome can happen divided by the number of possible outcomes. - There are three types of graphs that are used to compare data.
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Line
Bar
Cicle - Scatter Plots are graphs that show the relationship (correlation) between two sets of data.
- They can have a positive, negative, or no relationship (correlation).
- Positive Relationship (correlation)
- The dots start at the bottom and go up (positive direction)
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Negative Relationship
(correlation) - The dots start at the top of the scatter plot and go down (negative direction)
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No Relationship
(corrleation - The dots do not tend to go up or down
- Right Angle
- Measures exactly 90 degrees
- Acute Angle
- Measures less than 90 degrees
- Obtuse Angle
- Measures greater than 90 degrees