Ch. R - Review of Basic Concepts
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- In the fraction 5/8, 5 is the numerator and 8 is the denominator.
Problem 1
- Write ∛64 using exponents and evaluate.
Problem 1
- The mixed number equivalent of the improper fraction 31/5 is 6(1/5).
Problem 2
- Determine whether each statement is true or false. If false, correct the right side of the equation. (y^2)(y^5) = y^7
Problem 2
- Write 27^2/3 in radical form and evaluate.
Problem 2
- Match the rational exponent expression in Column I with the equivalent radical expression in Column II. Assume that x is not 0. (a) ( -3x )^1/3
Problem 3
- Match the rational exponent expression in Column I with the equivalent radical expression in Column II. Assume that x is not 0. (b) ( -3x )^-1/3
Problem 3
- Match the rational exponent expression in Column I with the equivalent radical expression in Column II. Assume that x is not 0. (c) ( 3x )^1/3
Problem 3
- Match the rational exponent expression in Column I with the equivalent radical expression in Column II. Assume that x is not 0. (d) ( 3x )^-1/3
Problem 3
- The reciprocal of 6/2 is 3/1.
Problem 4
- Fill in the blank to correctly complete each sentence. In the term -6x^2y, -6 is the ______.
Problem 4
- Match the rational exponent expression in Column I with the equivalent radical expression in Column II. Assume that x is not 0. (a) -3x^1/3
Problem 4
- Match the rational exponent expression in Column I with the equivalent radical expression in Column II. Assume that x is not 0. (c) 3x^-1/3
Problem 4
- Match the rational exponent expression in Column I with the equivalent radical expression in Column II. Assume that x is not 0. (d) 3x^1/3
Problem 4
- Which choice shows the correct way to write 16/24 in lowest terms? A. 16/24 = (8 + 8)/(8 + 16) =8/16 =1/2 B.16/24 =(4*4)/(4 *6) =4/6 C. 16/24 =(8*2)/(8*3) =2/3
Problem 5
- Identify the set { 1,1/3, 1/9 ,1/27, ....} as finite or infinite.
Problem 5
- Fill in the blank(s) to correctly complete each sentence. In the expression 6^3, 6 is the ____ , and 3 is the ____ .
Problem 5
- Which fraction is not equal to 5/9? A. 15/27 B. 30/54 C. 40/74 D. 55/99
Problem 6
- Use set notation and write the elements belonging to the set {x | x is a natural number less than 6}.
Problem 6
- Evaluate each expression. 0/7
Problem 6
- Work each problem. Match each polynomial in Column I with its factored form in Column II. a. x^2 + 10xy +25y^2 b. x^2-10xy +25y^2 c.x^2-25y^2 d. 25y^2-x^2 A. (x+5y ) (x-5y) B. (x+5y)^2 C. (x-5y)^2 D. (5y+x)(5y-x)
Problem 6
- Perform the indicated operations. (2x^2-x)+(x^2+4x)
Problem 6
- Write each fraction in lowest terms. 8/16
Problem 7
- Let U = {1, 2, 3, 4, 5} and A = {1, 2, 3}. Find A′.
Problem 7
- Evaluate each expression. 10^3
Problem 7
- Perform the operation and/or simplify each of the following. Assume all variables represent positive real numbers. √50
Problem 7
- Write each fraction in lowest terms. 4/12
Problem 8
- Find {16, 18, 21, 50} ∩ {15, 16, 17, 18}.
Problem 8
- Evaluate each expression. 2*5 - 10/12
Problem 8
- Perform the indicated operations. -2x^3(x^4-8)
Problem 8
