Algebra Know-It-ALL
In the graph of Fig. FE-7, the x-intercept of the line is (a) 13/4. (b) 7/2. (c) 4. (d) 17/4. (e) impossible to determine with ...
566 Final Exam Within the set of real numbers, the base-(−1) logarithm of 99 (a) is not defined. (b) is equal to −1 to the 99th ...
(c) 5x−a+b^2 = 8 (d)x^3 +x^2 +x= 1 (e)x−x1/2−x1/3=a+b When we morph a matrix representing a three-by-three linear system, we ca ...
568 Final Exam In Fig. FE-8, what is the slope-intercept equation of line M, considering x as the independent variable and y as ...
(c)x= (−5/4)y− 2 (d)x= (−5/4)y+ 2 (e) More information is necessary to answer this Here are several things we can do to “smalle ...
570 Final Exam (d) We cannot allow e to equal 0 at any time. (e) We cannot allow f to equal 0 at any time. Assuming the conditi ...
Look again at Fig. FE-9. This time, imagine two straight lines, one passing through pointsP and S, and the other passing throug ...
572 Final Exam We can conclude that the original three-by-three system has (a) no solutions. (b) one solution. (c) two solutions ...
(c) They all have absolute values equal to 3. (d) They are all complex conjugates. (e) They are all equal to the square root of ...
574 Final Exam (c) It’s a number that we can add to a given number to produce a sum equal to the negative of the original number ...
What is the union of the sets A= {1, 2, 3} and B= {3, 4, 5}? (a) The set {3}. (b) The set {1, 2, 3}. (c) The set {3, 4, 5}. (d ...
576 Final Exam (c) a ratio of an integer to a positive integer. (d) a ratio of an integer to 1. (e) a terminating decimal. If t ...
Final Exam 577 What is the largest number of elements that the solution set of such a system can have? Assume that the two equat ...
578 Final Exam (c) One. (d) None. (e) We need more information to answer this. Imagine four nonzero real numbers w,x,y, and z s ...
Final Exam 579 Suppose that the coefficients and constant in a polynomial equation are placed in a synthetic division array. We ...
580 Final Exam (d) one solution is an ordered pair of reals, and the other solution is an ordered pair of pure imaginary numbers ...
Final Exam 581 graphs intersect at a single point. Suppose we consider these two functions as a system. Based on the information ...
582 Final Exam (c) 2a (d) 2b (e) 4ab Which of the following is an equivalence relation? (a) The “if and only if ” relation. (b) ...
Final Exam 583 Figure FE-15 shows the graphs of a linear function and a quadratic function in real- number rectangular coordina ...
584 Final Exam (c) We can increase the value of c 1 , leaving everything else the same. (d) We can decrease the value of c 2 , l ...
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