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chapter 1 lesson 3 algebra
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Terms in this set (6)
substitution property
a quanity may be substituted fir its equal in any expression. ex: (3-1)
additive identity
for any number a, the sum of a and 0 is a. ex: 2+0=2, 0+2=2
additive inverse
a number and it's opposite are additive inverses of each other. ex: 4-4=0
multiplicative identity
for any number a, the product of a and 1 is a. ex: 14•1=14
multiplicative prop. of zero
for any number a, the product of a and 0 is 0. ex: 9•0=0
multiplicative inverse
for every number a/b, where a, b is equal to 0, there is exactly one number b/a such that the product of a/b and b/a is 1. ex: 4/5•5/4=20/20 or 1
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