Math 0 Test 2 REVIEW MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. The bar graph below shows the number of students b major in the College of Arts and Sciences. Answer the question. 1) How man more students are majoring in english than in histor? A) 300 B) 200 C) 0 D) 10 1) Complete the table of values. Write the results as ordered pairs. 2) 2 - = - 2) 2 0 A) (0, 2); (, 0); (-, ) B) (, 2); (-, 0); (, ) C) (0, 2); (-, 0); (, ) D) (, 2); (, 0); (-, ) 3) + 6 = 0 3) -3 6 A) (-3, 3); (, ); (6, 12) B) (-3, -6); (, -6); (6, -6) C) (-3, 18); (, -2); (6, -36) D) (-3, -9); (, -2); (6, 0) Answer the question. ) True or False? The ordered pair (-9, -2) determines a point in quadrant III with -coordinate -2 and -coordinate -9. A) True B) False ) 1
Complete the table of values. Write the results as ordered pairs. ) = -9 ) -9 6 A) (-9, 81); (, -36); (6, -) B) (-9, -9); (, -9); (6, -9) C) (-9, -18); (, -); (6, -3) D) (-9, 0); (, 13); (6, 1) Decide whether or not the ordered pair is a solution to the equation. 6) = -6; (-, 3) A) Yes B) No 6) Find the intercepts for the graph of the equation. 7) -3 + = 9 A) (9, 3); (-2, 9) B) (0, -2); (0, 3) C) (-2, 0); (3, 0) D) (- 3, 0); (0, 9) 7) Answer the question. 8) True or False: The graph of the equation 3 - = 13 goes through (1, 7) A) False B) True 8) 9) True or False: The graph of the equation - 2 = 8 goes through (, 1) A) True B) False 9) Find the intercepts for the graph of the equation. ) - + 3 = 0 A) (0, 0); (0, 0) B) (0, -2); (0, -8) C) (-2, 0); (-8, 0) D) (0, -8); (-2, 0) ) 11) + = -3 A) (0, -2); (0, -1) B) (-3, -1); (-2, -3) C) (-2, 0); (-1, 0) D) (-3, 0); (0, -3) 11) 12) + = A) (3, 0); (2, 0) B) (0, 3); (0, 2) C) (, 2); (3, ) D) (, 0); (0, ) 12) Answer the question. 13) True or False: The graph of the equation = -8 is a horizontal line. A) True B) False 13) 2
Solve b graphing. 1) The cost (in hundreds of dollars) of tuition at one communit college is given b the linear equation = 1.2 + 2, where is the number of credits for which a student registers. Graph the equation and use the graph to estimate the cost of tuition if a student registers for 8 credits. 1) Cost (hundreds of dollars) 2 22 20 18 16 1 12 8 6 2 1 2 3 6 7 8 9 1112 Number of Credits A) $00 B) $2200 C) $1800 D) $1200 Find the slope of the line. 1) 3 - = 17 1) A) 3 B) - 3 C) 3 D) - 3 Find the slope of the line through the pair of points. 16) - 1 6, - 7 and 1 6, - 3 7 16) A) 6 7 B) 7 6 C) 3 7 D) 7 12 Find the slope of the line. 17) - = -3-21 17) A) 3 B) 3 C) - 3 D) - 3 3
Use the coordinates of the indicated points to find the slope of the line. 18) 18) - - - - A) -3 B) - 1 3 C) 3 D) 1 3 Find the slope of the line. 19) 2-3 = -16 19) A) - 3 2 B) - 2 3 C) 3 2 D) 2 3 Use the coordinates of the indicated points to find the slope of the line. 20) 20) - - - - A) - 7 B) -2 C) 0 D) undefined Find the slope of the line through the pair of points. 21) (-, -2) and (7, 3) A) 11 B) - 1 2 C) - 2 D) 11 21)
Match the equation with the graph that would most closel resemble its graph. 22) = - A) B) 22) C) D) Solve the problem. 23) It costs $ per hour plus a flat fee of $30 for a plumber to make a house call. Use an equation to find the number of hours a plumber worked if the total cost was $338. A) hr B) 7 hr C) 13 hr D) 16 hr 23) SHORT ANSWER. Write the word or phrase that best completes each statement or answers the question. Answer the question or write an eplanation. 2) What is the common name given to a horizontal line whose -intercept is the origin? 2) MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. Write an equation, in slope-intercept form if possible, of the line through the pair of points. 2) (, 9) and (1, -8) A) = - 9-68 9 B) = 9-68 9 C) = 17-9 D) = - 17-9 2) Solve the problem. 26) A cable TV compan charges $29 for the basic service plus $ for each movie channel. Let be the total cost in dollars of subscribing to cable TV, using movie channels. Find the slope-intercept form of the equation. A) = - 29 B) = 29 - C) = + 29 D) = 29 + 26)
Match the equation with the graph that would most closel resemble its graph. 27) = + 6 A) B) 27) C) D) SHORT ANSWER. Write the word or phrase that best completes each statement or answers the question. Answer the question or write an eplanation. 28) What is wrong with the statement ʺThe line has no slope.ʺ? 28) MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. Solve the problem. 29) Let represent the number of gallons of gas sold at $2. per gallon, and let represent the total cost of the gasoline (in dollars). Use an equation to find the cost of 11 gallons of gasoline. A) $8.90 B) $.2 C) $23. D) $13. 29) SHORT ANSWER. Write the word or phrase that best completes each statement or answers the question. Answer the question or write an eplanation. 30) Wh is the slope of a horizontal line zero? Give an eample. 30) 6
MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. Write the equation of the line with the given slope and -intercept. 31) slope 7; -intercept (0, -) A) = 7 + B) = + 7 C) = - + 7 D) = 7-31) 32) slope -; -intercept (0, 3) A) = - + 3 B) = 3 - C) = + 3 D) = - - 3 32) Graph the equation b finding the slope and -intercept. 33) = 2-33) - - - - A) B) - - - - - - - - C) D) - - - - - - - - 7
Write an equation of the line through the given point with the given slope. Write the equation in slope -intercept form. 3) (, ); m = - 3 3) A) = -3 + 17 B) = - 1 3 + 17 C) = -3-17 D) = -3 + 1 17 3) (-6, -6), m = 2 3 3) A) = 3 2-2 B) = - 2 3 + 2 C) = 2 3 + 2 D) = 2 3-2 8
Answer Ke Testname: MATH 0 TEST 2 REVIEW 1) C 2) C 3) B ) B ) B 6) B 7) D 8) A 9) B ) A 11) D 12) D 13) A 1) D 1) C 16) C 17) A 18) C 19) D 20) C 21) A 22) B 23) B 2) The -ais 2) C 26) C 27) A 28) It is not specific. The slope of a horizontal line is 0; the slope of a vertical line is not defined. 29) C 30) Answers will var. 31) D 32) A 33) B 3) A 3) D 9