Ch. R - Review of Basic Concepts
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- Write each root using exponents and evaluate. ∜-256
Problem 18
- Write each improper fraction as a mixed number. 77/12
Problem 19
- Use set notation, and list all the elements of each set. {12, 13, 14,..., 20}
Problem 19
- Determine whether each statement is true or false. |5+(-13) | = |5| + |-13|
Problem 19
- Identify each expression as a polynomial or not a polynomial. For each polynomial, give the degree and identify it as a monomial, binomial, trinomial, or none of these.See Example 1. (3/8)x^5-(1/x^2)+9
Problem 19
Problem 19
Simplify each expression. See Example 1. (5x2y)(-3x3y4)
- Write each root using exponents and evaluate. ⁵√32
Problem 19
Problem 19a
Find the domain of each rational expression. x3 - 1 / x - 1
- Determine whether each statement is true or false. |8-12| = |8| - |12|
Problem 20
- Identify each expression as a polynomial or not a polynomial. For each polynomial, give the degree and identify it as a monomial, binomial, trinomial, or none of these.See Example 1. (2/3)t^6+(3/t^5)+1
Problem 20
Problem 20a
Use specific values for x and y to show that, in general, 1/x + 1/y is not equivalent to 1 / x + y.
- Write each mixed number as an improper fraction. 2(3/5)
Problem 21
- Use set notation, and list all the elements of each set. {1, 1/2, 1/4, ...., 1/32} .
Problem 21
- Determine whether each statement is true or false. |11| * |-6| = |-66|
Problem 21
- Factor out the greatest common factor from each polynomial. See Example 1. 2(a+b)+4m(a+b)
Problem 21
- Identify each expression as a polynomial or not a polynomial. For each polynomial, give the degree and identify it as a monomial, binomial, trinomial, or none of these.See Example 1. 5
Problem 21
Problem 21a
Write each rational expression in lowest terms. 8x2 + 16 / 4x2
- Determine whether each statement is true or false. |-5| * |6| = |-5*6|
Problem 22
- Factor out the greatest common factor from each polynomial. See Example 1. 6x(a+b)-4y(a+b)
Problem 22
Problem 22
Simplify each expression. See Example 1. (35m4n)(-2/7mn2)
- Write each root using exponents and evaluate. - ∛-343
Problem 22
- Use set notation, and list all the elements of each set. {17, 22, 27, .. , 47}
Problem 23
- Determine whether each statement is true or false. |-14| / |2| = |-14/2|
Problem 23
- Factor out the greatest common factor from each polynomial. See Example 1. (5r-6)(r+3)-(2r-1)(r+3)
Problem 23
- Add or subtract, as indicated. See Example 2. (5x^2-4x+7) + (-4x^2+3x-5)
Problem 23
Problem 23a
Write each rational expression in lowest terms. 3(3 - t) / (t + 5)(t - 3)
- Use set notation, and list all the elements of each set. {74, 68, 62, ..., 38}
Problem 24
- Add or subtract, as indicated. See Example 2. (3m^5-3m^2+4) + (-2m^3-m^2+6)
Problem 24
- Factor out the greatest common factor from each polynomial. See Example 1. (4z-5)(3z-2)-(3z-9)(3z-2)
Problem 24
Problem 24
Simplify each expression. Assume all variables represent nonzero real numbers. See Examples 1–3. (64)3