Vocabulary & Concept Review

Transcription

1 Vocabulary & Concept Review MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. 1) The are 0, 1, 2, 3,... A) factor B) digits C) whole numbers D) place value 1) 2) The of a polygon is its distance around or the sum of the lengths of its sides. A) area B) perimeter C) product D) place value 2) 3) The position of each digit in a number determines its. A) digits B) factor C) place value D) divisor 3) 4) A(n) is a shorthand notation for repeated multiplication of the same factor. A) area B) equation C) expression D) exponent 4) 5) To find the of a rectangle, multiply length times width. A) area B) solution C) product D) perimeter 5) 6) The used to write numbers are 0, 1, 2, 3, 4, 5, 6,, 8, and 9. A) divisor B) difference C) dividend D) digits 6) ) A letter used to represent a number is called a(n). A) variable B) addend C) place value D) solution ) 8) A(n) can be written in the form ʺexpression = expression.ʺ A) addend B) area C) equation D) exponent 8) 9) A combination of operations on variables and numbers is called a(n). A) addend B) expression C) equation D) exponent 9) 10) A(n) of an equation is a value of the variable that makes the equation a true statement. A) sum B) solution C) expression D) set 10) 11) A collection of numbers (or objects) enclosed by braces is called a(n). A) solution B) quotient C) subtrahend D) set 11) 12) Use the facts below. 2 3 = = = ) The 21 above is called the. A) addend B) product C) sum D) quotient 1

2 13) Use the facts below. 2 3 = = = ) The 5 above is called the. A) quotient B) factor C) dividend D) divisor 14) Use the facts below. 2 3 = = = ) The above is called the. A) divisor B) minuend C) quotient D) dividend 15) Use the facts below. 2 3 = = = ) The above is called the. A) dividend B) divisor C) quotient D) subtrahend 16) Use the facts below. 2 3 = = = ) The 3 above is called a(n). A) addend B) factor C) divisor D) dividend 1) Use the facts below. 2 3 = = = ) The 6 above is called the. A) product B) factor C) sum D) dividend 18) Use the facts below. 2 3 = = = ) The 20 above is called the. A) dividend B) difference C) minuend D) subtrahend 19) Use the facts below. 2 3 = = = ) The 9 above is called the. A) minuend B) difference C) subtrahend D) addend 2

3 20) Use the facts below. 2 3 = = = ) The 11 above is called the. A) minuend B) quotient C) subtrahend D) difference 21) Use the facts below. 2 3 = = = ) The 4 above is called a(n). A) subtrahend B) addend C) sum D) factor 22) Two numbers that are the same distance from 0 on the number line but are on opposite sides of 0 are called. A) average B) inequality symbols C) opposites D) integers 22) 23) The of a number is that numberʹs distance from 0 on the number line. A) absolute value B) average C) negative D) positive 23) 24) The are..., -3, -2, -1, 0, 1, 2, 3,.... A) inequality symbols B) expression C) opposites D) integers 24) 25) The numbers are numbers less than zero. A) addition B) equation C) negative D) positive 25) 26) The numbers are numbers greater than zero. A) negative B) positive C) equation D) addition 26) 2) The symbols ʺ<ʺ and ʺ>ʺ are called. A) inequality symbols B) negative C) opposites D) integers 2) 28) A(n) of an equation is a number that when substituted for a variable makes the equation a true statement. A) positive B) multiplication C) negative D) solution 28) sum of numbers 29) The of a list of numbers is number of numbers. A) solution B) equation C) expression D) average 29) 30) A combination of operations on variables and numbers is called a(n). A) average B) absolute value C) equation D) expression 30) 3

4 31) A statement of the form ʺexpression = expressionʺ is called a(n). A) expression B) average C) equation D) absolute value 31) 32) The sign ʺ<ʺ means and the sign ʺ>ʺ means. A) negative; positive B) positive; negative C) is less than; is greater than D) is greater than; is less than 32) 33) By the property of equality, the same number may be added to or subtracted from both sides of an equation without changing the solution of the equation. A) absolute value B) addition C) positive D) multiplication 33) 34) By the property of equality, the same nonzero number may be multiplied or divided by both sides of an equation without changing the solution of the equation. A) absolute value B) multiplication C) positive D) addition 34) ) An algebraic expression is when all like terms have been. A) simplified; combined B) simplified; constant C) combined; simplified D) constant; simplified ) 36) Terms that are exactly the same, except that they may have different numerical coefficients, are called terms. A) combined B) variable C) constant D) like 36) 3) A letter used to represent a number is called a(n). A) constant B) numerical coefficient C) solution D) variable 3) 38) A combination of operations on variables and numbers is called a(n). A) addition B) evaluating the expression C) equation D) algebraic expression 38) 39) The addends on an algebraic expression are called the of the expression. A) addition B) multiplication C) terms D) solution 39) 40) The number factor of a variable term is called the. A) constant B) variable C) numerical coefficient D) algebraic expression 40) 41) Replacing a variable in an expression by a number and then finding the value of the expression is called for the variable. A) evaluating the expression B) simplified C) equation D) solution 41) 42) A term that is a number only is called a(n). A) constant B) solution C) variable D) numerical coefficient 42) 4

5 43) A(n) is of the form expression = expression. A) addition B) equation C) evaluating the expression D) algebraic expression 43) 44) A(n) of an equation is a value for the variable that make an equation a true statement. A) numerical coefficient B) solution C) distributive D) constant 44) 45) To multiply -3(2x + 1), we use the property. A) constant B) addition C) multiplication D) distributive 45) 46) By the property of equality, we may multiply or divide both sides of an equation by any nonzero number without changing the solution of the equation. A) addition B) multiplication C) constant D) distributive 46) 4) By the property of equality, the same number may be added to or subtracted from both sides of an equation without changing the solution of the equation. A) constant B) distributive C) addition D) multiplication 4) 48) Two numbers are of each other if their product is 1. A) cross products B) reciprocals C) undefined D) equivalent 48) 49) A(n) is a natural number greater than 1 that is not prime. A) complex fraction B) prime number C) mixed number D) composite number 49) 50) Fractions that represent the same portion of a whole are called fractions. A) simplest form B) equivalent C) like D) undefined 50) 51) A(n) is a fraction whose numerator is greater than or equal to its denominator. A) complex fraction B) proper fraction C) improper fraction D) mixed number 51) 52) A(n) is a natural number greater than 1 whose factors are 1 and itself. A) composite number B) prime number C) mixed number D) proper fraction 52) 53) A fraction is in when the numerator and the denominator have no factors in common other than 1. A) prime factorization B) least common denominator C) simplest form D) cross products 53) 54) A(n) is one whose numerator is less than its denominator. A) complex fraction B) improper fraction C) mixed number D) proper fraction 54) 5

6 55) A(n) contains a whole number part and a fraction part. A) proper fraction B) complex fraction C) improper fraction D) mixed number 55) 56) In the fraction, the is called the and the 9 is called the. 9 56) A) numerator; denominator B) prime number; composite number C) denominator; numerator D) composite number; prime number 5) The of a number is the factorization in which all the factors are prime numbers. A) simplest form B) equivalent C) prime factorization D) least common denominator 5) 58) The fraction 3 0 is. 58) A) 0 B) undefined C) equivalent D) simplest form 59) The fraction 0 5 =. 59) A) simplest form B) 0 C) equivalent D) undefined 60) Fractions that have the same denominator are called fractions. A) simplest form B) undefined C) like D) equivalent 60) 61) The LCM of the denominators in a list of fractions is called the. A) numerator B) least common denominator C) composite number D) prime number 61) 62) A fraction whose numerator or denominator or both numerator and denominator contain fractions is called a(n). A) proper fraction B) improper fraction C) mixed number D) complex fraction 62) 63) In a b = c, a d and b c are called. d 63) A) simplest form B) prime factorization C) reciprocals D) cross products 64) Like fractional notation, notation is used to denote a part of a whole. A) mean B) decimal C) median D) sum 64) 65) To write fractions as decimals, divide the by the. A) mean; median B) median; mean C) numerator; denominator D) denominator; numerator 65) 66) To add or subtract decimals, write the decimals so that the decimal points line up. A) vertically B) standard form C) circumference D) right triangle 66) 6

7 6) When writing decimals in words, write ʺ ʺ for the decimal point. A) mode B) mean C) sum D) and 6) 68) When multiplying decimals, the decimal point in the product is placed so that the number of decimal places in the product is equal to the of the number of decimal places in the factors. A) mode B) sum C) median D) mean 68) 69) The of a set of numbers is the number that occurs most often. A) mean B) mode C) denominator D) median 69) 0) The distance around a circle is called the. A) numerator B) mean C) median D) circumference 0) 1) The of a set of numbers in numerical order is the middle number. If there are an even number of numbers, the median is the of the two middle numbers. A) mean; mode B) median; mean C) median; mode D) mean; median 1) sum of items 2) The of a list of numbers of items is number of items. A) mode B) median C) mean D) numerator 2) 3) When 2 million is written as 2,000,000, we say it is written in. A) standard form B) vertically C) circumference D) right triangle 3) 4) A is the quotient of two numbers. It can be written as a fraction, using a colon, or using the word to. A) rate B) unit rate C) proportion D) ratio 4) 5) x 2 = is an example of a. 16 5) A) proportion B) ratio C) unit rate D) rate 6) A is a rate with a denominator of 1. A) unit price B) ratio C) proportion D) unit rate 6) ) A is a ʺmoney per itemʺ unit rate. A) ratio B) unit price C) leg D) proportion ) 8) A is used to compare different kinds of quantities A) proportion B) rate C) ratio D) leg 8) 9) In the proportion x 2 =, x 16 and 2 are called. 16 9) A) cross products B) congruent C) right D) ratio

8 80) If cross products are the proportion is true. A) not equal B) equal C) congruent D) right 80) 81) If cross products are the proportion is false. A) congruent B) right C) equal D) not equal 81) 82) In a mathematical statement, usually means ʺmultiplication.ʺ A) percent B) is C) amount D) of 82) 83) In a mathematical statement, means ʺequals.ʺ A) is B) amount C) base D) of 83) 84) means ʺper hundred.ʺ A) Base B) Percent C) Amount D) Commission 84) 85) is compounded not only on the principal, but also on interest already earned in previous compounding periods. A) Compound interest B) Percent of decrease C) Commission D) Percent of increase 85) 86) In the percent proportion = percent. 86) A) amount B) base amount C) base D) amount base 8) To write a decimal or fraction as a percent, multiply by. A) 1 B) 0.01 C) % D) percent 8) 88) The decimal equivalent of the % symbol is. A) amount B) 0.01 C) 1 D) % 88) 89) The fraction equivalent of the % symbol is. A) 0.01 B) 1 C) % D) base 89) 90) The percent equation is percent =. A) amount; base B) commission; amount C) base; commission D) base; amount 90) 91) amount of decrease =. original amount A) Percent of decrease B) Percent of increase C) Compound interest D) Amount of discount 91) 8

9 92) amount of increase =. original amount A) Percent of decrease B) Compound interest C) Amount of discount D) Percent of increase 92) 93) = tax rate purchase price. A) Commission B) Amount of discount C) Total price D) Sales tax 93) 94) = purchase price + sales tax. A) Sales tax B) Commission C) Total price D) Amount of discount 94) 95) = commission rate sales. A) Total price B) Amount of discount C) Sales tax D) Commission 95) 96) = discount rate original price. A) Sales tax B) Sales price C) Total price D) Amount of discount 96) 9) = original price - amount of discount. A) Sales tax B) Sales price C) Amount of discount D) Total price 9) 98) is the process of writing an expression as a product. A) Factoring B) Trinomial C) FOIL D) Monomial 98) 99) The of a list of terms is the product of all common factors. A) exponent B) factoring C) binomial D) greatest common factor 99) ) The method may be used when multiplying binomials. A) FOIL B) greatest common factor C) factoring D) exponent ) 101) A polynomial with exactly 3 terms is called a(n). A) greatest common factor B) binomial C) monomial D) trinomial 101) 102) A polynomial with exactly 2 terms is called a(n). A) binomial B) monomial C) trinomial D) greatest common factor 102) 103) A polynomial with exactly 1 term is called a(n). A) trinomial B) monomial C) greatest common factor D) binomial 103) 9

10 104) Monomials, binomials, and trinomials are all examples of. A) greatest common factor B) factoring C) FOIL D) polynomials 104) 105) In 5x3, the 3 is called a(n). A) exponent B) monomial C) FOIL D) greatest common factor 105) 10