Algebra Know-It-ALL
Do not refer to the text when taking this test. A good score is at least 80 percent of the answers correct. Answers are in the b ...
What is the solution to this system? (a) (x,y)= (0, 4). (b) (x,y)= (3/4, −1/2). (c) (x,y)= (−4/3, 2). (d) There are infinitely m ...
Fill in the blank to make the following statement true. “Suppose that a is a nonzero number. Also suppose that m and n are rati ...
548 Final Exam (c)−3/13. (d) 3/(−13). (e)−3/(−13). What is (−3/7) / (13/2) in lowest terms? (a)−13/4 (b)−6/91 (c)−39/14 (d)−3/4 ...
How many real roots does this equation have? (a) None. (b) One. (c) Two. (d) Three. (e) Infinitely many. Which of the following ...
550 Final Exam (c) 5. (d)j5. (e) 7. What’s the binary equivalent of the decimal 127? (a) 1001000 (b) 1111111 (c) 1000001 (d) 10 ...
(c) It is being repeatedly divided by 2. (d) It is being repeatedly divided by −2. (e) It is being repeatedly squared. In Fig. ...
552 Final Exam (d) Three. (e) Infinitely many. Which of these integers is the smallest? (a)− 8 (b)− 2 (c) 0 (d) 3 (e) 7 Which o ...
Suppose we have a positive integer a. We subtract −a from it. The result is (a) equal to 0. (b) equal to a. (c) equal to a+a. ...
554 Final Exam Consider the following quadratic equation: 2 x^2 + 5 x+ 8 = 0 What is the discriminant in this equation? (a) 39 ...
(c) |x| is two orders of magnitude larger than |p|. (d) |x| is two orders of magnitude smaller than |p|. (e) |x| is six times sm ...
556 Final Exam and − 4 x+y=− 2 How can we add multiples of these two equations to make x vanish, leaving us with a solvable firs ...
(d) raise a to the power of mn (e) raise a to the power of 1/(mn) When we add a+jb to its conjugate, we get (a)a^2 +b^2 (b)a^2 ...
558 Final Exam Imagine that we come across two cubic functions, where all the coefficients and constants are real numbers. We w ...
Consider the equation 4x+ 2 y=−7, where x is the independent variable and y is the dependent variable. The slope of the graph o ...
560 Final Exam In Fig. FE-5, a scheme is shown for graphing the inverse of a relation. For any point that’s part of the graph o ...
(c) Only if the variable can never become negative. (d) Only if the variable can never become irrational. (e) Always. Completin ...
562 Final Exam When we say that a real number u is the natural logarithm of some other real number v, and that e is Euler’s con ...
(c) the curve is symmetrical. (d) the domain is the entire set of real numbers. (e) the relation is a surjection. Suppose that ...
564 Final Exam (d)X= {j10} (e)X=∅ Which of the following equations is true for all positive real numbers u and v? (a) ln u+ ln ...
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