Problem 107
Factor by any method. See Examples 1–7. 64+(3x+2)3
Problem 108
Multiply or divide as indicated. 55.76 * 72
Problem 109
Calculate each value mentally. (0.253)(4003)
Problem 109
Factor by any method. See Examples 1–7.
Problem 109
Perform the indicated operations. Assume all variables represent positive real numbers.
Problem 109
Let U = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13}, M = {0, 2, 4, 6, 8}, N = {1, 3, 5, 7, 9, 11, 13}, Q = {0, 2, 4, 6, 8, 10, 12}, and R = {0, 1, 2, 3, 4}.Use these sets to find each of the following. Identify any disjoint sets. {x | x ∈ M or x ∈ Q}
Problem 109
Evaluate each expression for , , and .
Problem 110
Calculate each value mentally. (242)(0.52)
Problem 110
Multiply or divide as indicated. 0.07 × 0.004
Problem 111
Let A = { -6, - 12/4 , - 5/8 , - √3, 0, 1/4 , 1, 2π, 3, √12}. List all the elements of A that belong to each set. Natural numbers
Problem 111
Evaluate each expression for , , and .
Problem 111
Multiply or divide as indicated. 78.65 ÷ 11
Problem 111
Perform the indicated operations. Assume all variables represent positive real numbers.
Problem 112
Factor by any method. See Examples 1–7. (3a+5)2-18(3a+5)+81
Problem 112
Calculate each value mentally. 154/54
Problem 113
Multiply or divide as indicated. 32.48 ÷ 11.6
Problem 113
Perform the indicated operations. Assume all variables represent positive real numbers. 5√6 + 2√10
Problem 113
Calculate each value mentally. (0.22/3)(402/3)
Problem 113
Identify the property illustrated in each statement. Assume all variables represent real numbers. 6∙12+6∙15=6(12+15)
Problem 113
Let A = { -6, - 12/4 , - 5/8 , - √3, 0, 1/4 , 1, 2π, 3, √12}. List all the elements of A that belong to each set. Integers
Problem 113
Factor by any method. See Examples 1–7.
Problem 114
The special products can be used to perform selected multiplications.
On the left, we use (x+y)(x-y) = x2-y2. On the right, (x-y)2 = x2-2xy+y2.
Use special products to evaluate each expression. 63 x 57
Problem 114
Calculate each value mentally. (0.13/2)(903/2)
Problem 114
Factor by any method. See Examples 1–7.
Problem 115
Perform the indicated operations. Assume all variables represent positive real numbers. √6(3 + √7)
Problem 115
Factor out the least power of the variable or variable expression. Assume all variables represent positive real numbers. See Example 8. 4k-1+k-2
Problem 115
Identify the property illustrated in each statement. Assume all variables represent real numbers. (t-6)∙(1/t-6)=1, if t-6 ≠ 0
Problem 115
Let A = { -6, - 12/4 , - 5/8 , - √3, 0, 1/4 , 1, 2π, 3, √12}. List all the elements of A that belong to each set. Irrational numbers
Problem 115
The special products can be used to perform selected multiplications.
On the left, we use (x+y)(x-y) = x2-y2. On the right, (x-y)2 = x2-2xy+y2.
Use special products to evaluate each expression. 1022
Problem 115
Multiply or divide as indicated.19.967÷9.74
Ch. R - Review of Basic Concepts
