MATH 1075 Midterm 1 Autumn 2019
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Exam 1 - Form A
MATH 1075 Midterm 1 Autumn 2019
Instructions:
? You have 55 minutes to complete this exam. ? Circle or box all final answers. ? A calculator may be used given the calculator policy outlined in the syllabus.
Even if a calculator is used, you must show all work on each problem to receive full credit. ? Write clearly and legibly to receive credit. ? Do not round; give only exact answers (unless specified otherwise).
Exam 1 - Form A
Problem 1. Solve the inequality. Show your work. Your final answer should be simplified
and in interval notation. Graph the solution set to the inequality on the
number line below.
(10 pts)
-7(X + 5) + 32 3(7 - X)
Problem 2. Solve the inequality. Show your work. Your final answer should be simplified
and in interval notation.
(8 pts)
-15 < 2R - 5 -1
Exam 1 - Form A Problem 3. Solve for W. Show your work. If there is no solution, write "No solution." (6
pts) |8W + 8| - 5 = 11
Problem 4. Solve the inequality. Show your work. Your final answer should be simplified and in interval notation. If there is no solution, write "No solution." (8 pts) 3|Q + 2| - 5 > -4
Problem 5. Factor the expression completely. 30g5y8 + 5g9y7q3
Exam 1 - Form A (6 pts)
Problem 6. Factor the expression completely. 3AB - 5A + 3BC - 5C
(6 pts)
Problem 7. Factor the expression completely. m2 + 6m - 16
(6 pts)
Problem 8. Factor the expression completely. 48w2 - 152w + 80
Exam 1 - Form A (8 pts)
Problem 9. Factor the expression completely. -18V2 - 60V - 50
(6 pts)
Problem 10. Factor the expression completely. 9 - 25h2
(6 pts)
Problem 11. Factor the expression completely. z4 - 81
Exam 1 - Form A (6 pts)
Problem 12. Factor the expression completely. You may find the following formula to be
helpful: a3 - b3 = (a - b)(a2 + ab + b2).
(8 pts)
64 - 27w3
Problem 13. True or False?
(8 pts)
(a) The expression (a + b)2 can always be rewritten as a2 + b2. True False
(b) The expression (a - b)2 can always be rewritten as a2 - 2ab + b2. True False
(c) If A is the interval [-2, 2.66] and if B is the interval (0, 10), then A B = (0, 2.66]. True False
(d) If A is the interval [-2, 2.66] and if B is the interval (0, 10), then A B = (0, 2.66]. True False
Exam 1 - Form A
Problem 14. Consider the following system of inequalities.
-2x + y 9 2x + y < 3
(8 pts)
Below you are given three ordered pairs written in the form (x, y). CIRCLE the ordered pairs that ARE solutions to the system of inequalities given above.
(-5, 2)
(-2, 5)
(0, 0)
(2, 5)
You may use the space below to show your work.
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