CCGPS Coordinate Algebra Midterm Study Guide

1.______/ 1. If g(x) = 3x2 + 5x - 7, then g(-4)= ?
A)-39
B)-75
C)61
D)21
2.______/ 2. Describe the exponential transformation for
A)Decay by , stretch by 2, inverse/reflection, down 4
B)Growth by , stretch by 2, inverse/reflection, up 4
C)Growth by 2, stretch by , inverse/reflection, down 4
D)Decay by -2, stretch by , inverse/reflection, up 4
3.______/
3. Solve the system of equations.
A)x = 4, y = 2
B)x = -2, y = -4
C)x = 2, y = 4
D)x = -4, y = -2
4.______/ 4. The graph represents Jason's speed on a recent trip. For which time period is his rate of change not changing at all?
A)Between 0 and 5 minutes
B)Between 5 and 10 minutes
C)Between 10 and 20 minutes
D)Between 20 and 25 minutes
5.______/ 5. Susan sold 4 more ornaments than twice the amount her brother Sammy sold. Susan sold 70 ornaments. Which equation can be used to determine how many ornaments Sammy sold?
A)2x + 4 = 70
B)x + 4 = 70
C)x2 + 4 = 70
D)4x + 2 = 70
6.______/
6. Solve the system of equations.
A)x = -11, y = 10
B)x = 14, y = -10
C)x = -10, y = 14
D)x = 10, y = -11
7.______/ 7. Which of the pointsdoes not satisfy the linear inequality graphed here?

A)(-5,0)
B)(6,0)
C)(-6,0)
D)(-5,-4)
8.______/ 8. Which recursive definition represents the sequence {10, 20, 30, 40...}
A)
B)
C)
D)
9.______/ 9. Blaire is doing a study on age and shoe height. She collects the following ages and heights. Is her data a function? Why or why not?
Age / Height
12 / 62
13 / 68
11 / 62
12 / 66
13 / 68
11 / 59
12 / 55
A)Yes, because for every x there is only one y
B)Yes, because for every y there is only one x
C)No, because for some x’s there are more than one
D)No, because for some y’s there are more than one
10.______/
9. Given m = and b = -4 10. Given m = and b = 4
Which of the following graphs matches
the above information
11.______/
11. Solve the system of equations.
A)(2.25,10)
B)(9,2)
C)(10,2.25)
D)(2,9)
12.______/
12. If the function graphed is f(x), find f(-2).
A)-4
B)-5
C)4
D)5
13.______/ 13. Which of the following models the equation 2x + y = 7?

14.______/ 14. Given the equation ; solve for m.
A)
B)
C)
D)
15.______/ 15. Seven years ago Lauren invested $8,000 into an account that makes 4% compounded semi-annually. The value in the account after x years is represented by the formula A = 8,000(1.04)x. Assuming that Lauren has made no deposits or withdrawals, how much money is in the account now?
A)$58,240
B)$10,527.45
C)$8,320
D)$9,358.87
16.______/ 16. A system of linear equations has been graphed in the diagram. Determine a reasonable solution for the system of equations

A)(-4, 3)
B)(4, -3)
C)(-4, 3)
D)(4, 3)
17.______/
17. Which system of inequalities is shown in the graph?
A)
B)
C)
D)
18.______/ 18. Which of the sets of equations represent the two lines graphed?
A)y = x - 3 and y = x – 6
B)y = x - 3 and y = -x – 6
C)y = x + 3 and y = x +6
D)y = -x + 3 and y = -x + 6

19.______/ 19. Regal Cinemas is trying to figure out how many tickets they sold at the midnight premiere of The Hobbit: The Desolation of Smaug. Between student tickets and adult tickets, they sold 1200 tickets total. With student tickets costing $8.00 and adult tickets $12.00, they made $11,200. How many tickets of each kind did they sell?
A)400 student tickets & 800 adult tickets
B)800 student tickets & 400 adult tickets
C)500 student tickets & 700 adult tickets
D)700 student tickets & 500adult tickets
20.______
21.______
22.______
23.______
24.______
25.______/ Use this graph to answer the following questions
20. What is the range of the graphed exponential function?
A)(-∞,∞)
B)(3, ∞)
C)(-3,∞)
D)(-∞, -3)
21. What is the asymptote for this graph?
A)y = -2
B)x = 2
C)y = 2
22. What is the y-intercept of the exponential graph shown above?
A)(0,2)
B)(0,0)
C)(-2,0)
D)(0,-2)
23. What is the end behavior of this graph?
A)as ;
B)as
C)
D)
24. Which of the following equations could be the equation of the graph?
A)
B)
C)
D)
25. Given the following function, tell whether it is growth or decay and describe the transformation
A)Decay; Stretch by , Right by 1, Up by 2
B)Growth; Stretch by , Right by 2, Down by 1.
C)Growth; Shrinkby , Left by 1, Up by 2.
D)Decay; Reflection, Stretch by , Left by 2, Down by 1.