Math Algebra Ptt.10

For every law of addition and subtraction, there is a parallel law for multiplication and division, except division by

• negative values

• zero

• one

• positive values

Indicate the FALSE statement:

• the multiplicative identity is 1

• the product of a positive number and a negative number is negative

• ab = ba is the associative law for multiplication

For any two rational number a/b and c/d, which of the following relations is true?

• a/b + c/d = ab/cd

• a/b +cd = (ab + cd)/ad

• a/b + c/d = (ad + bc)/bd

• ab + cd = ac/bd

Two rational numbers a/b and c/d are said to be equal if

• ad = bc

• ac = bd

• ab = cd

• a + b = c + d

Any number divided by infinity equals

• 0

• 1

• infinity

• indeterminate

The study of the properties of positive integers is known as

• number of theory

• theory of equation

• set theory

• arithmetic

Indicate the FALSE statement:

• A quotient of two polynomials is called as rational algebraic expression

• the equation ax + b = 0 has exactly one root

A number is said to be in _____ when it is written as the product of a number having the decimal point just after the leading digit, and a power of 10

• scientific notation

• exponential

• irrational

• logarithm

A nubmer which cannot be a root of an integral rational equation is called.

• transcendental number

• euler's number

• irrational number

• natural number

Refers to the numbers which are not the roots of any algebraic equation.

• irrational numbers

• transcendental numbers

• imaginary numbers

• composite