What numbers get bigger when you square them?
What numbers stay the same when you square them?
What numbers get smaller when you square them?
What numbers get bigger when you cube them?
What numbers stay the same when you cube them?
What numbers get smaller when you cube them?
Probability
What formula will give you probability of an event occuring?
What method do you use to find the total number of events that could occur?
What is a popular shortcut to find the probability of "success"?
Inequalities
An inequality can be treated just like an equal sign with one exception. What is it?
If 6x < -18, what does x have to be?
If -10x + 120 > -2(40 + 15x), what does x have to be?
Friday, April 24, 2009
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Number Properties
ReplyDeleteWhat numbers get bigger when you square them?
Negative numbers and numbers greater than 1
What numbers stay the same when you square them?
0 and 1
What numbers get smaller when you square them?
Numbers between 0 and 1
What numbers get bigger when you cube them?
Numbers between -1 and 0 and numbers greater than 1
What numbers stay the same when you cube them?
-1, 0 and 1
What numbers get smaller when you cube them?
Numbers less than -1 and numbers between 0 and 1
12. Probability
What formula will give you probability of an event occuring?
Favorable events divided by total number of events
What method do you use to find the total number of events that could occur?
Multiply each individual event by the number of different things that could happen for that event
What is a popular shortcut to find the probability of "success"?
1 - Probablity of failure
13. Inequalities
An inequality can be treated just like an equal sign with one exception. What is it?
When you are dividing or multiplying by a negative number, you must "flip" the sign
If 6x < -18, what does x have to be?
x < -3
If -10x + 120 > -2(40 + 15x), what does x have to be?
x > -10