Express the set in interval notation.docx - Express the set...

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Unformatted text preview: Express the set in interval notation. -3 Select one: a. (-3, ∞) b. (-∞, -3) c. [-3, ∞) d. [-3, ∞] Feedback The correct answer is: (-3, ∞) Question 2 Incorrect 0.00 points out of 6.25 Flag question Question text Simplify by writing the expression without absolute value bars. for z < 15 Select one: a. 1 b. -1 c. 15 d. -15 Feedback The correct answer is: 1 Question 3 Correct 6.25 points out of 6.25 Flag question Question text Solve the problem. A tool rental store charges a flat fee of $8.50 to rent a chain saw, and $4.00 for each day, including the first. Use a linear equation to find the cost of renting the saw for one week. Select one: a. $32.50 b. $12.50 c. $36.50 d. $28.00 Feedback The correct answer is: $36.50 Question 4 Correct 6.25 points out of 6.25 Flag question Question text Evaluate the root without using a calculator or note that root is not a real number. Select one: a. 4 b. -4 c. 5 d. Not a real number Feedback The correct answer is: 4 Question 5 Incorrect 0.00 points out of 6.25 Flag question Question text Simplify the expression. Write your answer with positive exponents only. ∙ (-v3w2x-4)-3 Select one: a. b. c. d. Feedback The correct answer is: - Question 6 Correct 6.25 points out of 6.25 Flag question Question text Simplify. 4x -4 Select one: a. b. c. d. Feedback The correct answer is: Question 7 Correct 6.25 points out of 6.25 Flag question Question text Simplify. 4-2 Select one: a. 2 b. -16 c. d. -8 Feedback The correct answer is: Question 8 Incorrect 0.00 points out of 6.25 Flag question Question text Convert the expression to radical notation. x1/7 Select one: a. 7 b. c. d. Feedback The correct answer is: Question 9 Correct 6.25 points out of 6.25 Flag question Question text Simplify the expression by using the properties of rational exponents. Write the final answer using positive exponents only. (x4y8)2/3 Select one: a. x14/3y26/3 b. x4y8 c. x4y16/3 d. x8/3y16/3 Feedback The correct answer is: x8/3y16/3 Question 10 Correct 6.25 points out of 6.25 Flag question Question text Simplify the expression, if possible. 1,2961/4 Select one: a. 5,184 b. 6 c. d. Not a real number Feedback The correct answer is: 6 Question 11 Correct 6.25 points out of 6.25 Flag question Question text Write an expression for the volume and simplify your answer. Select one: a. 3x3 + 15x +12 b. x3 + 5x2 + 4x c. 3x3 + 12x d. 3x3 + 15x2 + 12x Feedback The correct answer is: 3x3 + 15x2 + 12x Question 12 Incorrect 0.00 points out of 6.25 Flag question Question text Multiply the radical expressions and simplify your answer. (-) Select one: a. 2 b. 2 + c. 2 - 6 d. 2 Feedback The correct answer is: 2 - Question 13 Incorrect 0.00 points out of 6.25 Flag question Question text Multiply the radical expressions and simplify your answer. 2 Select one: a. y - 43 b. y + 55 c. y - 14 + 55 d. y + 14 - 55 Feedback The correct answer is: y - 14 + 55 Question 14 Correct 6.25 points out of 6.25 Flag question Question text Factor out the greatest common factor. 12r2s - 24rs2 + 18rs Select one: a. 3rs(4r - 8s + 6) b. 6r(2rs - 4s2 + 3s) c. 2rs(6r - 12s - 12) d. 6rs(2r - 4s + 3) Feedback The correct answer is: 6rs(2r - 4s + 3) Question Incorrect 15 0.00 points out of 6.25 Flag question Question text Factor the trinomial completely by using any method. Remember to look for a common factor first. 4p2 + 3p - 5 Select one: a. (4p + 3)(p + 5) b. p(4p + 3) - 5 c. (4p + 5)(p + 3) d. Prime Feedback The correct answer is: Prime Question 16 Correct 6.25 points out of 6.25 Flag question Question text Factor completely. x(2x + 1)-2/3 + (2x + 1)1/3 Select one: a. 1 b. c. d. Feedback The correct answer is: Question 17 Correct 6.25 points out of 6.25 Flag question Question text Add or subtract as indicated and simplify if possible. + Select one: a. b. c. d. Feedback The correct answer is: Question 18 Correct 6.25 points out of 6.25 Flag question Question text Add or subtract as indicated and simplify if possible. + Select one: a. b. c. d. Feedback The correct answer is: Question 19 Correct 6.25 points out of 6.25 Flag question Question text Write the expression as a single term, factored completely. Do not rationalize the denominator. + Select one: a. b. c. d. Feedback The correct answer is: Question 20 Correct 6.25 points out of 6.25 Flag question Question text Simplify the rational expression. Select one: a. (Provided y ≠ 4) b. (Provided y ≠ -4) c. (Provided y ≠ -4) d. ; cannot be simplified Feedback The correct answer is: (Provided y ≠ 4) ...
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