math notes-Questions and Answers Graded A+

math notes-Questions and Answers Graded A+ combining like terms - ANSWER-when solving an equation that has 2 or more variables we must 1. combine those terms with variables ne numbers that don't have variables 3. solve equation variables on both sides of the equation - ANSWER-1. remove them from one side 2. solve equation spe - ANSWER-subtraction property of equality any number can be subtracted from both sides of the equal sign mpe - ANSWER-multiplication property of equality any number can be multiplyed to both sides dpe - ANSWER-division property of equality any non- zero number can divide both sides ape - ANSWER-addision property of equality any number can be added on both sides equation - ANSWER-a mathematical statement that shows that 2 expressions are equal. division of mixed numbers - ANSWER-1. convert numbers into improper fractions 2. divide (whole process of division of fractions) division of fractions - ANSWER-1. do the reciprical of the second fraction 2. reduce if possible 3. multiply the fractions 4. reduce and convert into a mixed number if possible multiplycation of mixed numbers - ANSWER-convert the mixed numbers into improber fractions 2. multiply the fractions multiplication of fractions - ANSWER-1. reduce if possible 2. multiply all numerators to get the numerator of the answer 3. multiply all denominators to get the denominator of the answer 4. reduce LCM - ANSWER-1. do the prime factorization of the numbers 2. multiply the factors, comon and not comon,with the highest exponent GCF - ANSWER-1. do the prime factorization of the numbers 2. multiply the common prime factors with their smaller exponents divisibility - ANSWER-2- the number is even 3- the sum of the digits is divisible by three 4-last two digits are zeros or divisible by 4 5- ends in a zero or 5 6- the number is divisible by two and three 10- the nomber ends in zero