Math Principals Flashcards
If a and b are real numbers then a + b is a unique real number
closure property of addition
associative property of addition
If a, b and c are real numbers then
(a+b)+c=a+(b+c)
if a and b are real numbers then
a * b = b * a
commutative property of multiplication
distributive property
If a, b, and c are real numbers then
a (b + c) = ab + ac
commutative property of addition
if a and b are real numbers then
a + b = b + a
commutative property of multiplication
if a and b are real numbers then
a * b = b * a
closure property of multiplication
If a and b are real numbers then ab is a unique real number
additive property of equality
for all real numbers a, b and c
a = b if and only if a + c = b + c
multiplicative property of negative one
if a is a real number then
a (-1) = -a
multiplication property of equality
for all real number a, b, and c where c <>0
a = b if and only if ac = bc
If a, b and c are real numbers then
(ab)c=a(bc)
associative property of multiplication
if a is a real number then
a (-1) = -a
multiplicative property of negative one
for every nonzero real number a, there exists a unique real number 1 / a such that
a * (1/a) = (1/a) * (a) = 1
multiplicative inverse property
if a is a real number
a (0) = 0
multiplication property of zero
Exponents
If n is a positive integer and b is any real number then
b^n - bbbb…..b (n factors of b)
If n is a positive integer and b is any real number then
b^n - bbbb…..b (n factors of b)
Exponents
If a, b and c are real numbers then
(a+b)+c=a+(b+c)
associative property of addition
if a and b are real numbers then
a + b = b + a
commutative property of addition
multiplication property of zero
if a is a real number
a (0) = 0
additive inverse property
for every real number a there exists a unique real number -a such that
a + (-a) = 0
identity property of multiplication
if a is any real number, then
a(1) = a
multiplicative inverse property
for every nonzero real number a, there exists a unique real number 1 / a such that
a * (1/a) = (1/a) * (a) = 1
identity property of addition
if a is a real number, then
a + 0 = a
for every real number a there exists a unique real number -a such that
a + (-a) = 0
additive inverse property
associative property of multiplication
If a, b and c are real numbers then
(ab)c=a(bc)
closure property of addition
If a and b are real numbers then a + b is a unique real number
for all real number a, b, and c where c <>0
a = b if and only if ac = bc
multiplication property of equality
if a is a real number, then
a + 0 = a
identity property of addition
If a and b are real numbers then ab is a unique real number
closure property of multiplication
if a is any real number, then
a(1) = a
identity property of multiplication
If a, b, and c are real numbers then
a (b + c) = ab + ac
distributive property
for all real numbers a, b and c
a = b if and only if a + c = b + c
additive property of equality