AFDA Unit 1 Practice Test

Transcription

1 F Unit 1 Practice Test Name: ate: 1. Which inequality is represented by the accompanying graph? < x 3. x 3. x < 3. < x < 3. Which inequality is represented by the accompanying graph? x 4. 1 < x < 4. 1 < x 4. 1 x < 4 3. Which graph shows the solution set of x < 4? 4. What is the graph of the solution set of 1 < 3x + < 1? Which graph represents the solution set for x 4 8 and x + 7? The manufacturer of Ron s car recommends that the tire pressure be at least 6 pounds per square inch and less than 3 pounds per square inch. On the accompanying number line, graph the inequality that represents the recommended tire pressure. page 1

2 7. In order to be admitted for a certain ride at an amusement park, a child must be greater than or equal to 36 inches tall and less than 48 inches tall. Which graph represents these conditions? 13. The y-intercept of the graph of the equation y = x 3 is Solve for x: x (x + 1) = What are the coordinates of the point where the graph of the equation x + y = 8 crosses the y-axis?. (0, 8). (8, 0). (0, 4). (4, 0) 9. Solve for x: 3(x 8) = x Solve for x: 8x (x 1) = Solve for x: 6(x ) 4x = What is the solution for the equation x + 1 = x +? 1. What is the slope of the line whose equation is y = x + 10? all real numbers. There is no solution. page F Unit 1 Practice Test

3 16. In the diagram below, what is the slope of the line passing through points and? 19. In which graph does the slope of line l equal zero? The diagram here shows the graph of the equation y =. What is the slope of the line y =? The graph of the line passing through the points (6, 7) and (4, ) has a slope of... undefined The slope of the line determined by the points ( 3, ) and (, 3) is 1. line having a slope of 3 4 passes through the point ( 8, 4). Write the equation of this line in slope-intercept form zero. undefined. Two points whose coordinates are (4, 17) and (, a) determine a line whose slope is 6. Find the value of a. page 3 F Unit 1 Practice Test

4 3. If the points (3, ) and (x, ) lie on a line whose slope is 7, then x equals 8. Write an equation of the line that passes through the point (1, 6) and is parallel to the line whose equation is y = 3x What is the slope of a line perpendicular to the graph of the equation x 3y =? Which is an equation of the line that passes through the point (0, 4) and is perpendicular to the line whose equation is y = 1 x + 3?. y = 1 x + 4. y = x + 4. y = x + 4. y = x 4. What is the slope of a line that is perpendicular to the line whose equation is y = 4x + 1? The accompanying diagram shows a graph of which inequality?. y < x What is the slope of a line parallel to the line whose equation is y = x + 4? y > x + 1. y x + 1. y x Which properties best describe the coordinate graph of two distinct parallel lines? 31. The graph of which inequality is shown in the accompanying diagram?. same slopes and same intercepts. same slopes and different intercepts. different slopes and same intercepts. different slopes and different intercepts. y >. x >. y. x page 4 F Unit 1 Practice Test

5 3. Which graph represents the inequality x <? 34. Which inequality is shown in the accompanying diagram?..... y > 3 x +. y < 3 x +. y 3 x +. y 3 x The graph of which inequality is shown in the accompanying diagram?. x y >. x + y >. x y <. x + y < 3. The formula = 9 (F 3) can be used to find the elsius temperature () for a given Fahrenheit temperature (F). What elsius temperature is equal to a Fahrenheit temperature of 77? page F Unit 1 Practice Test

6 36. Larry has 7 more dimes than nickels, for a total value of $1.4. If n represents the number of nickels, which equation could be used to find the number of nickels Larry has?. n + (n + 7) = 14. n + (n + 7) = 14. n + 10(n + 7) = 14. 1(n + n + 7) = Which equation can be used to solve the problem below? If four times a number is increased by 1, the result is three less than six times the number. Find the number.. 4(x + 1) = 6x 3. 4x + 1 = 6(x 3). 4x + 1 = 6x 3. 4x + 1 = 3 6x 39. Lois rented a car for $74.00 a week plus $0.14 for each mile the car is driven. What is the greatest number of miles Lois can drive the car if she wishes to spend at most $130.00? [Only an algebraic solution will be accepted.] 37. The statement The sum of twice a number and 18 is greater than can be expressed as. n + 18 =. (n + 18) >. (n + 18) > 0. n + 18 > 40. There are 461 students and 0 teachers taking buses on a trip to a museum. Each bus can seat a maximum of. What is the least number of buses needed for the trip? If 4 more than twice a number is 18, find the number. page 6 F Unit 1 Practice Test

7 Problem-ttic format version c Educide Software Licensed for use by christina casares Terms of Use at F Unit 1 Practice Test 09/06/ [task] y = 3 4 x y = 3x