1. -6.5x = -381

2. 𝑓 𝑛 = 1,300(1−0.02) 𝑥 ? 2. Which situation could be represented by
𝑓 𝑛 = 1,300(1−0.02) 𝑥 ?
F Ann deposited $1,300 in the bank and is paid 2% interest monthly.
G A fisherman starts with 2 fish in his lake. He then adds 1,300 fish each year.
H A colony of 1,300 ants decreases in size by 2% each week.
J Mr. Placke invested $1,300 in the stock market. His investment increases 2% each year.

3. Simplify 𝒙 𝟐 −𝟏𝟔 𝒙 𝟐 −𝟐𝒙−𝟖
A 𝐱−𝟒 𝐱−𝟐
C 𝐱+𝟒 𝐱+𝟐
B 𝐱−𝟒 𝐱+𝟐
D 𝐱+𝟒 𝐱−𝟐

4. What is the value of x in the system of equations x + 2y = 1 and 4x + 5y = 10?
G -5
H 5
J 2
STAAR 4

5. Announcements

6. 5. Which represents the solution set of the equation 2𝑥 2 +10𝑥=3?
A −10± C 10±
B −10± D −10±

7. 6. Which represents the solution set of the equation 3𝑥 2 +5𝑥=4?
F −5± H −5±
G −5± J 5±

8. The length of a rectangle is seven more than its width
The length of a rectangle is seven more than its width. If the area of the rectangle is 8, what is the width of the rectangle?
A 1
B 8
C 4
D -8
STAAR 7
Demo

9. The length of a rectangle is five more than its width
The length of a rectangle is five more than its width. If the area of the rectangle is 84, what is the width of the rectangle?
F 12
G -12
H -7
J 7
STAAR 8

10. Solve the equation 6𝑥𝑦+9𝑥=10 for x in terms of y.
STAAR 10 - Demo
Solve the equation 6𝑥𝑦+9𝑥=10 for x in terms of y.
F x= 𝑦 H x= 5 2𝑦+3
G x= 10 3(2𝑦+3) J x= 3(2𝑦+3) 10

11. 4𝒂𝒃+𝟏𝟖𝒃𝒄=𝟏𝟑 11. Solve for b in terms of a and c.
A b= 13 4𝑎+9𝑐 C b= 13 2(2𝑎+9𝑐)
B b= 2(2𝑎+9𝑐) D b= 13−18𝑐 4𝑎

12. 8𝒂𝒃+𝟐𝟎𝒃𝒄=𝟏𝟓 12. Solve for b in terms of a and c.
F b= 15 4(2𝑎+5𝑐) H b= 4(2𝑎+5𝑐) 15
G b= 15 8𝑎+5𝑐 J b= 15 4(5𝑎−2𝑐)

13. 13. The graph of the function g was obtained from the graph of the function f using a transformation as shown below. Which best represents this transformation? F g(x) = 2f(x) H g(x) = f(x) – 2 G g(x) = ½f(x) J g(x) = f(x) + 2 g

14. 14.The graph of the function g was obtained from the graph of the function f using a transformation as shown below. Which best represents this transformation? F g(x) = f(x + 4) H g(x) = f(x – 4) G g(x) = f(x) – 4 J g(x) = f(x) + 4 g

15. 15.The graph of the function g was obtained from the graph of the function f using a transformation as shown below. Which best represents this transformation? F g(x) = f(x) – 2 H g(x) = f(x – 2) G g(x) = f(x + 2) J g(x) = f(x) + 2 g

16. 17.The graph of the function g was obtained from the graph of the function f using a transformation as shown below. Which best represents this transformation? F g(x) = f(x – 4) H g(x) = f(x) – 4 G g(x) = f(x + 4) J g(x) = f(x) + 4 g

17. 21.The graph of the function g was obtained from the graph of the function f using a transformation as shown below. Which best represents this transformation? F g(x) = f(x + 1) H g(x) = f(x – 1) G g(x) = f(x) – 1 J g(x) = f(x) + 1 g

18. 19.The graph of the function g was obtained from the graph of the function f using a transformation as shown below. Which best represents this transformation? F g(x) = f(x) + 3 H g(x) = f(x) – 3 G g(x) = f(x + 3) J g(x) = f(x – 3) g

19. The concession stand sells hamburgers and hot dogs at the baseball game. Last weekend they sold 117 hotdogs and hamburgers. They sold 25 fewer hamburgers than hotdogs. How many hamburgers did they sell? 4 6 16

20. Look at your HANDOUT

21. The function y = f(x) is graphed below. Find f(-17)
The function y = f(x) is graphed below. Find f(-17). Record your answer and bubble the gird. . 4 9 5 18

22. 20. A linear function y = f(x) is shown. Find f(-6⅖).

23. 22. Which statement about the quadratic functions below is false?
𝑓 𝑥 =− 1 2 𝑥 2 −1
𝑓 𝑥 =2 𝑥 2
𝑓 𝑥 = 1 2 𝑥 2 +7
F The graphs of two of these functions open upwards.
G The graphs of two of these functions have a maximum point.
H The graphs of two of these functions do not touch the x-axis.
J The graphs of all these functions have different y-intercepts.

24. RECYCLE

25. STAAR 23
The number of miles driven varies directly with the number of hours driven. Jacksyn drove miles in 5½ hours. How many hours would it take Jacksyn to drive miles?

26. Which is equivalent to 4 ?
F H
G J 4 2
STAAR 24

27. 2 ∙ 11 STAAR 25 Express in simplest radical form: A 13 B 22 C 2 11
2 ∙ 11
A 13
B 22 C D

28. STAAR 26
Solve for x.
𝟐𝒙 𝟐 +𝟗=𝟏𝟗𝒙

29. STAAR 28
A parabola passes through the point (-4, 9) and has its vertex at the point (-1, 3). Write the equation of this parabola in vertex form.

30. QUIZ

31. STAAR 29
A geometric series is given by the recursive formula 𝑓 𝑥 =5𝑓(𝑥−1). If 𝑓 1 =9, what is the value of 𝑓(3)?
9, 45, 225, …

32. STAAR 30
Solve by completing the square.
𝒙 𝟐 +𝟔𝒙+𝟒𝟕=𝟐𝟔𝟑

33. STAAR 31 F y + 4 = -6(x + 3) G y – 3 = -6(x + 4) H y + 4 = -6(x – 3)
Which is an equation of the line passing through the point (3, -4) with a slope of -6?
F y + 4 = -6(x + 3)
G y – 3 = -6(x + 4)
H y + 4 = -6(x – 3)
J y – 4 = -6(x – 3)

34. STAAR 32
A parabola passes through the point (-10, 10) and has its vertex at the point (-6, 2). Write the equation of this parabola in vertex form.

35. STAAR 33
Solve this inequality for y.

36. 34. Tara has 18 coins in nickels and quarters. She has a total of $2
34. Tara has 18 coins in nickels and quarters. She has a total of $2.70. Which system of equations can be used to find n, the number of nickels, and q, the number of quarters? A n + q = 18 C n + q = 18 5n + 25q = n q = 2.7 B n + q = 2.7 D n + q = n q = n q = 2.7

37. STAAR 35
Simplify:

38. STAAR 36
Solve for x.

39. STAAR 37
Write the equation of the line that passes through the points (4, 4) and (0, -2).

40. Simplify. Use only positive exponents.
STAAR 38

41. The length of a rectangle is one more than its width
The length of a rectangle is one more than its width. If the area of the rectangle is 20, what is the width of the rectangle?
A 5
B 4
C -5
D -4
STAAR 9

42. STAAR 27
Solve for x.
𝟓𝒙 𝟐 +𝟒=𝟐𝟏𝒙