Algebra 2 – Chapter 2 Test Form D Name: ___________________ Date:__________ Period:______ For problems 1 and 2, determine whether the relation is a function. If it is, state the domain and range. If not, state ‘not a function’ and explain why. 1. (4, 7), (5, 3), (6,3), (2, 4), (5,18) 1.__________(+2) D:____________ R:____________ 2. 7 6 -1 5 -9 6 -2 -5 2.__________ (+2) D:____________ R:____________ 3. Evaluate f ( x) 3x 2 6 for f(-4) 3.__________ (+2) Graph the following: 3 4. f ( x) x 5 (+4) 4 5. 4 x y 1 (+2) 6. Determine the slope of the line passing through the points (-4, 3) and (-8, -10) 6.__________ (+2) 7. Write in STANDARD FORM the equation of the line passing through the point (6, 2) with a slope of -3. 7.__________ (+3) 8. Write in POINT-SLOPE form the equation of the line passing through the points (-2, 7) and (4, -2). 8.__________ (+3) 9. Write in SLOPE-INTERCEPT form the equation of the line passing through the point (4, 6) and parallel to y = -5x + 6. . 9.__________ (+3) 10. Determine the slope, x-intercept and y-intercept of the line -7x + 3y = 21 10. m=___________(+3) x-int___________ y-int___________ 11. Suppose y varies directly with x. If y = 10 when x = 2, find y when x = -3 11._________ (+3) Determine whether y varies directly with x. Circle your answer. If so, find the constant of variation k and write the equation. SHOW ALL WORK 12. x y 3 9 -5 -15 12 4 -6 -18 12.Direct: Yes No (+2) K=____ Y= ____ 13. x -6 -12 -10 y 3 6 5 13.Direct: Yes No K=____ Y= ____ Describe the translation of the parent function to the following: 14. y 3 x 4 (+2) 15. y x 4 12 (+2) Write an equation for each translation of the parent function y x 16. 2 units down and 5 units right Y= ______________ (+2) 17. reflection in the x-axis, 6 units left Y= ______________ (+2) (+2) 18. Graph the set of data. Decide whether a linear model is reasonable. If so, draw a trend line and write the equation of the trend line. (-5, -2), (-1, 1), (2,0), (5, 2), (-2, -2), (2, 4), (1, -1) 18._________ (+5) Graph the following functions. 19. y x 5 (+2) 21. y 2 x 5 3 (+4) 20. y 2 x 3 (+2) 2 22. y x 6 3 (+2) Write an equation for the graph 23. y ____________ (+2) 24. y ______________ (+3) 25. For the situation, find a linear model (write an equation) and use it to make a prediction. A 2-mile cab ride costs $8. A 6-mile cab ride costs $14. How much does a 3mile cab ride cost?. (+5)