1.1 Use the Language of Algebra
Prime factorization and least common multiples, variables and order of operations, combining like terms, and turning English phrases into expressions.
54 exercises
1.1 Exercise 1
Is 5,625 divisible by ⓐ 2? ⓑ 3? ⓒ 5 or 10? ⓓ 6?
1.1 Exercise 2
Is 4,962 divisible by ⓐ 2? ⓑ 3? ⓒ 5? ⓓ 6? ⓔ 10?
1.1 Exercise 3
Is 3,765 divisible by ⓐ 2? ⓑ 3? ⓒ 5? ⓓ 6? ⓔ 10?
1.1 Exercise 5
Find the prime factorization of
1.1 Exercise 6
Find the prime factorization of
1.1 Exercise 8
Find the LCM of 9 and 12 using the Prime Factors Method.
1.1 Exercise 9
Find the LCM of 18 and 24 using the Prime Factors Method.
1.1 Exercise 11
Simplify:
1.1 Exercise 12
Simplify:
1.1 Exercise 14
Simplify:
1.1 Exercise 15
Simplify:
1.1 Exercise 17
Evaluate when ⓐ ⓑ ⓒ
1.1 Exercise 18
Evaluate when ⓐ ⓑ ⓒ
1.1 Exercise 20
Simplify:
1.1 Exercise 21
Simplify:
1.1 Exercise 23
Translate the English phrase into an algebraic expression:
ⓐ the difference of and 13 ⓑ the quotient of and 2 ⓒ 13 more than
ⓓ 18 less than
1.1 Exercise 24
Translate the English phrase into an algebraic expression:
ⓐ the sum of and 19 ⓑ the product of and y ⓒ Eleven more than x ⓓ Fourteen less than 11a
1.1 Exercise 26
Translate the English phrase into an algebraic expression:
ⓐ four times the sum of p and q
ⓑ the sum of four times p and q
1.1 Exercise 27
Translate the English phrase into an algebraic expression:
ⓐ the difference of two times x and 8
ⓑ two times the difference of x and 8
1.1 Exercise 28
The length of a rectangle is 14 less than the width. Let w represent the width of the rectangle. Write an expression for the length of the rectangle.
1.1 Exercise 29
The length of a rectangle is 7 less than the width. Let w represent the width of the rectangle. Write an expression for the length of the rectangle.
1.1 Exercise 30
The width of a rectangle is 6 less than the length. Let l represent the length of the rectangle. Write an expression for the width of the rectangle.
1.1 Exercise 31
June has dimes and quarters in her purse. The number of dimes is seven less than four times the number of quarters. Let q represent the number of quarters. Write an expression for the number of dimes.
1.1 Exercise 32
Geoffrey has dimes and quarters in his pocket. The number of dimes is eight less than four times the number of quarters. Let q represent the number of quarters. Write an expression for the number of dimes.
1.1 Exercise 33
Lauren has dimes and nickels in her purse. The number of dimes is three more than seven times the number of nickels. Let n represent the number of nickels. Write an expression for the number of dimes.
1.1 Exercise 34
Use the divisibility tests to determine whether each number is divisible by 2, by 3, by 5, by 6, and by 10.
84
1.1 Exercise 36
Use the divisibility tests to determine whether each number is divisible by 2, by 3, by 5, by 6, and by 10.
896
1.1 Exercise 38
Use the divisibility tests to determine whether each number is divisible by 2, by 3, by 5, by 6, and by 10.
22,335
1.1 Exercise 40
Find the prime factorization.
86
1.1 Exercise 42
Find the prime factorization.
455
1.1 Exercise 44
Find the prime factorization.
432
1.1 Exercise 46
Find the least common multiple of each pair of numbers using the prime factors method.
8, 12
1.1 Exercise 48
Find the least common multiple of each pair of numbers using the prime factors method.
28, 40
1.1 Exercise 50
Find the least common multiple of each pair of numbers using the prime factors method.
55, 88
1.1 Exercise 52
Simplify each expression.
1.1 Exercise 54
Simplify each expression.
1.1 Exercise 56
Simplify each expression.
1.1 Exercise 58
Simplify each expression.
1.1 Exercise 60
Simplify each expression.
1.1 Exercise 62
Simplify each expression.
1.1 Exercise 64
Evaluate the following expressions.
When
ⓐ
ⓑ
ⓒ
1.1 Exercise 66
Evaluate the following expressions.
When
1.1 Exercise 68
Evaluate the following expressions.
When
1.1 Exercise 70
Simplify the following expressions by combining like terms.
1.1 Exercise 72
Simplify the following expressions by combining like terms.
1.1 Exercise 74
Simplify the following expressions by combining like terms.
1.1 Exercise 76
Translate the phrases into algebraic expressions.
ⓐ the difference of and
ⓑ the quotient of and
ⓒ Twenty-one more than
ⓓ less than
1.1 Exercise 78
Translate the phrases into algebraic expressions.
ⓐ the sum of and
ⓑ the product of and
ⓒ Fifteen more than
ⓓ less than
1.1 Exercise 80
Translate the phrases into algebraic expressions.
ⓐ eight times the difference of and nine
ⓑ the difference of eight times and 9
1.1 Exercise 82
Translate the phrases into algebraic expressions.
ⓐ five times the sum of and
ⓑ the sum of five times and
1.1 Exercise 84
Translate the phrases into algebraic expressions.
Eric has rock and country songs on his playlist. The number of rock songs is 14 more than twice the number of country songs. Let c represent the number of country songs. Write an expression for the number of rock songs.
1.1 Exercise 86
Translate the phrases into algebraic expressions.
Greg has nickels and pennies in his pocket. The number of pennies is seven less than three times the number of nickels. Let n represent the number of nickels. Write an expression for the number of pennies.
1.1 Exercise 88
Explain in your own words how to find the prime factorization of a composite number.
1.1 Exercise 90
Explain how you identify the like terms in the expression
Adapted from Intermediate Algebra 2e © 2020 Rice University. Licensed under CC BY 4.0. Source: Intermediate Algebra 2e. Imported at revision 77a933c.