Algebra 2
Terms
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- a+(-a) = 0
- inverse prop. of add.
- radar detected an unidentified plan 5000 mi away, approaching at 100mi/h. fifteen miniutes later an interceptor plane was dispatched, traveling at 800 mi/h. how long did the interceptor take to reach the approaching plane?
- t = 3.217 or 3h 13min
- (a+b) = all real numbers
- closure property of addition
- a*1/a - 1, a =/(cannot equal) 0
- identity prop. of multi.
- a(b+c) = ab+ac
- distributive prop.
- a+b = b+a
- communitive property of addition
- ab = ba
- communitive property of multiplication
- a*1 = a
- associative property of multiplication
- ab = all real numbers
- closure property of multiplication
- (a+b)+c = a(bc)
- associative property of addition
- a+0 = a
- identity prop. of add.
- two buses leave houston at the same time and travel in opposite directions. one bus averages 55mi/h and the other bus averages 45 mi/h. when will the be 400 mi apart?
- (check answer to see if right)