Glencoe Algebra 2 NAME____________________________________________ PERIOD______________SCORE ___________ Chapter 2 Test, Form 2D, page 1 1. Given the relation {(0, 0), (2, 4), (-4, 0), (4, 0)}, list the domain 1.__________________ and range. Then determine whether the relation is a function.

3. If 𝑓(𝑥) = −3𝑥 + 2𝑥  find 𝑓(−2). 3.__________________ 4. Write 𝑦 = − 𝑥 + 1 in standard form. 4.__________________ For questions 5-10, graph each equation or inequality. 5. 𝑦 = 2𝑥 − 3 6. 3𝑥 + 4𝑦 = 12 7. 𝑦 ≥ − 𝑥 + 1

8. 𝑓(𝑥) =3         𝑖𝑓 𝑥 < −2−𝑥 + 2 𝑖𝑓 𝑥 ≥ 1 9. 𝑦 = |𝑥 + 1| 10. 𝑦 = ⟦𝑥 − 2⟧

For questions 11 and 12, determine the slope of the line passing through each pair of points. 11. (2, -5) and (-3, -5) 12. (4, 3) and (2, -7) 11._________________ 12._________________

2. Determine whether the relation is a function. 2. _________________

Glencoe Algebra 2 NAME____________________________________________ PERIOD______________SCORE ___________ Chapter 2 Test, Form 2D, page 2 13. Write an equation of a line that passes through (2, 18) and (4, -2). 13._________________ 14. Write an equation of a line that passes through (2, -5) and 14._________________ is parallel to 5𝑥 + 2𝑦 = 6. 15. What is the slope of a line that is perpendicular to the 15._________________ graph of 𝑦 = 𝑥? For questions 16 and 17, determine whether the graphs below represent a step function, a constant function, the identity function, an absolute value function, or a piecewise function.

18. The table below shows the relationship between the number of phone calls made and the number of tickets sold during a fundraising campaign by 6 callers.

Calls Made (x) 8 9 7 8 6 12 Tickets sold (y) 16 17 15 15 12 25

a) Draw a scatter plot for the data. Draw a line of best fit. b) Use two ordered pairs to write a prediction equation. c) Then use your prediction equation to predict the number of tickets sold when 16

calls are made.

Bonus: Find the value of k so that the slope of the line B: ________________ through (2, k) and (-1, 4) is 2.

16. 17. 16. ________________

17. ________________

a) b) ________________

c) ________________