For use after the chapter Graphing Linear Equations and Functions 3 D. 7. 4y 2 3x 5 4; (0, 1) x-intercept: 6 y-intercept: 3.

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1 Chapter Test A Write the coordinates of the point.. A. B. D. C. A. D C B.... Tell whether the ordered pair is a solution of the equation.. ; (, ) 7.. ; (, ). 7. ; (, ). Draw the line that has the given intercepts.. -intercept:. -intercept:. -intercept: -intercept:. -intercept:.... Find the slope of the line that passes through the points.. (, ) and (, ). (, ) and (, ). (, ) and (, ) In Eercises and, use the following information. The graph shows the distance of a car traveling along a straight road for hours. A positive rate of change is motion to the right, and a negative rate of change is motion to the left.. Determine the rate of change and the direction of the motion during the first two hours.. Determine the rate of change and the direction of the motion during the last four hours. Copright Houghton Mifflin Harcourt Publishing Compan. All rights reserved. -intercept:. 7 Time (hours) Algebra CS_CC_A_MEAS7_Ccta.indd // :: AM

2 Chapter Test A continued Identif the slope and -intercept of the line with the given equation Determine whether the graph represents direct variation. If so, identif the constant of variation.... (, ).. (, ).... The amount of precipitation varies directl with the duration of the storm. The table shows the amounts of precipitation for various durations of storms. Duration of storm (in hours), d Amount of rain (in inches), r. Write a direct variation equation that relates r and d.. How man inches of rain will fall after hours? Evaluate the function for the given value of.. f() ;. g().; Find the value of so that the function has the given value.. h() ;. p() ;.. Copright Houghton Mifflin Harcourt Publishing Compan. All rights reserved. In Eercises and, use the following information. Algebra CS_CC_A_MEAS7_Ccta.indd // :: AM

3 Chapter Test B Plot the point in the coordinate plane. Describe the location of the point.. A(, ). B(, ). C(, ). D(, ). Graph the equation Find the -intercept and the -intercept of the graph of the equation.... } In Eercises, use the following information. The graph shows the distance of a car traveling along a straight road for hours. A positive velocit is motion to the right, and a negative velocit is motion to the left.. Determine the rates of change in distance with respect to time.. Between what two times is the car. 7.. Copright Houghton Mifflin Harcourt Publishing Compan. All rights reserved Time (hours) not moving?... Between what two times is the car traveling to the right?.. Between what two times is the car traveling to the left?.. Between what two times is the car traveling the fastest?.. What does the -intercept represent in this situation? Algebra CS_CC_A_MEAS7_Cctb.indd 7 7 // :: AM

4 Chapter Test B continued Identif the slope and -intercept of the line with the given equation Determine whether the equation represents direct variation. If so, identif the constant of variation Complete the table for the function... f(). f(). 7. f() }.. f() An advertising compan charges $, each time a -second commercial is aired. The cost (in thousands of dollars) to produce the commercial and air it times is given b the function C().. Graph the function. C 7 Number of airings. Identif the domain and the range of the function. 7. Copright Houghton Mifflin Harcourt Publishing Compan. All rights reserved. In Eercises 7, use the following information. Cost (thousands of dollars). 7. How man times could a station air the commercial if the advertising compan wants to spend $,? Algebra CS_CC_A_MEAS7_Cctb.indd // :: AM

5 Chapter Test C. Plot the points P(, ), Q(, ), R(, ), and S(, ) in the coordinate plane. Connect the points in order. Identif the resulting figure. Find its area... Graph the function with the given domain. Then identif the range of the function.. ; domain. ; domain Find the -intercept and the -intercept of the graph of the equation..... }. Find the slope of the line that passes through the points.. 7. (, ) and (, ). (, ) and (, ). (, ) and (, ) In Eercises and, use the following information. The graph shows the distance of a car traveling along a straight road for hours.. Give a verbal description of the trip.. What do the intercepts represent in this situation? Copright Houghton Mifflin Harcourt Publishing Compan. All rights reserved.. 7 Time (hours) Algebra CS_CC_A_MEAS7_Cctc.indd // :: AM

6 Chapter Test C continued Your famil and a friend s famil are going on vacation. The amount of fuel remaining in our famil s car after driving m miles is given b the equation a.m because it has a -gallon fuel tank and uses. gallon of fuel per mile driven. The amount of fuel remaining in our friend s van is given b the equation a.m... Graph both equations in the coordinate plane.. Fuel (gallons) In Eercises and, use the following information. a m. Use the graphs to find the difference of the amount of fuel remaining. Given that varies directl with, write a direct variation equation that relates and.. },.,.,. Graph the function. Compare the graph to the graph of f(). 7. g(). h() } Copright Houghton Mifflin Harcourt Publishing Compan. All rights reserved. in the two fuel tanks after driving miles. Algebra CS_CC_A_MEAS7_Cctc.indd // ::7 AM

7 continued Chapter Test A. -intercept, -intercept. (, ). (, ). (, ). (, ). no. es 7. es.. (, ) (, ). -intercept, -intercept. hours and. hours to. hours and. hours and. After hours, the (, ).. undefined (, ). mi/h, mi/h, mi/h, mi/h (, ).. -intercept, -intercept car returns to its starting position. 7. m, b. m }, b. m }, b. es; a. es; a }. no. (, ). }. mi/h; right. mi/h; left.. m ; b 7. m ; b A B D C 7.. f() 7 C 7 Chapter Test C f(). domain: ; range: C 7. times.. Quadrant III Number of airings. Quadrant II. -ais. Quadrant IV.. Chapter Test B. Cost (thousands of dollars) Copright Houghton Mifflin Harcourt Publishing Compan. All rights reserved.. m ; b. es; m }. no. r } d.. in..... }. Q(, ) R(, ) P(, ) S(, ) 7. range: trapezoid; A } ; range: Algebra CS_CC_A_MEAS7_Cak.indd A // :: PM

8 . a. Number of pages left. -intercept }, -intercept. -intercept }, -intercept. -intercept, -intercept 7. }... The car is traveling to the right at miles per hour for the first hours. Then the car speeds up to miles per hour for the net hour. The car stops for an hour. It then turns around and travels miles per hour for the last hours of the trip.. The intercepts represent the hours when the car is at the starting position. a p m Time (minutes) m b. min; Compare the number of minutes m for each graph when the number of pages left is p. It would take ou minutes to read pages and our classmate minutes. Therefore it would take our classmate minutes longer.. a. This table represents a function because for ever month M there is eactl one difference d. b. m. gallons... d.. 7. p.7m The graphs of f and g have the same slope, so the lines are parallel. Also, the -intercept of g is less than the -intercept of f. M Month Domain,,,,, and ; Range,,,, and c. A point in Quadrant IV represents a decrease in the price of gas as compared to the average price that same month in the previous ear. SAT/ACT Ch apter Test. The slope of the graph of h is negative, so the line falls from left to right. The -intercept is the same for both graphs, so both lines pass through the origin. Standardized Test. D. B. A. B. C. A 7. B. C. C. D. B. A. A. B. A. E. D. B. C. } or.. $. ears Alternative Assessment. Complete answers should include: a list of the three methods that can be used to graph a linear equation: make a table, use intercepts, and use the slope and -intercept; an eplanation of how to graph + = using each method.. a. -intercept: ; -intercept: b. Large plants. A. B 7... E. D. B. D. C. A 7. B. C Copright Houghton Mifflin Harcourt Publishing Compan. All rights reserved. Difference (cents) Fuel (gallons). p Small plants A Algebra CS_CC_A_MEAS7_Cak.indd // :: PM