A 2nd Semester Review Day 1 Name_______________________BDFM?______Why?____________________________1. Consider the following data:

2, 4, 6, 1, 2, 3, 4, 1, 2, 3, 3, 2, 1, 2, 2, 4

a) Find the mean b) Find the median

c) Represent the data using a BOX PLOT. Circle your choice.

2. Consider the histogram. a. How many students took the test?

b. How many students earned a 91-100?

b. How many students earned a 71 or higher?

3. Consider the dataThe table below gives the number of hours spent studying for a biology exam and the exam grade.

a. Find the equation for the line of best fit.

b. Use a calculator to find the linear regression.

Linear regression

r-value

Type of correlation

4. Oscar invests $9000 in a prestigious peanut butter firm but loses 7% per year on the investment. How much does he have after 13 years?

5. Kaylee deposits 200$ into a bank account. Every week she adds 20$. How much she have after 17 weeks?

Solve.

6. A $750 computer is on sale at 20% off. How much does it cost?

7. Your car insurance was $320 last year. This year the cost has increased 2.6%. How much does it cost?

8. Simplify.7 xx8 xx x7 yx8 y 3 x6⋅6x8

( x5 y3 )8 (9 x4 y3 )2 y−7

1y−4

x2 y6

x6 y35x8 y3

6 x3 y7

4 x5 y4

14 x4 y5x7 xx2 xx11 (3√x2+8x+1)0

Find the equation (linear or exponential based on the table/graph)9.x y0 2501 3252 422.5

10. 11. 12.x y0 41 102 16

Consider13.

4, 10, 16, 22, _____, _____

Arithmetic or Geometric?

Formula:

14.

.5, 1.5, 4.5, 13.5, _____, _____

Arithmetic or Geometric?

Formula:

A 2nd Semester Review Day 2 Name_______________________BDFM?______Why?____________________________Graph. Find the domain and range.

15. y=√x+9 16. 17. y=−x2+6 x

Consider:

18. Find the sum of the first 4 terms. Show all work. f ( x ) g(x )

Consider the following equations, and calculate or solve accordingly. f (x)=√x−9 g ( x )=x2−9 h ( x )=−9 x+3

19. h ( x )=−15 20. f ( x )=4 21. g ( x )=72

22. Fill out the table to represent the inequality in multiple ways.Inequality: x≤10 Words: Number line: Three examples:

23.Inequality: Words: Number line: Three examples:

Solve for x and draw a number line.

Domain:

Range:

X-Intercepts:

Y-Intercepts:

Domain

Range

Function? Yes or no

Domain:

Range:

X-Intercepts:

Y-Intercepts:

f ( x )=5 x−3 g ( x )=6(2)x

24. 5 x+6>3 x+20 25. 7 x−1≤34 26. x+2(3 x−4 )<13

27. Write an inequality for the wordsa) Oscar’s wallet has more than $30 in it.

b) They definitely scored less than 9 points on us

c) The repair will cost at least $125 but no more than $500

28. Solve.An Uber charges a flat rate of $2.75, plus an additional $0.85 per mile. If $ean$way has at most $10 to spend on the Uber ride, how far could he travel?

Consider.

29. Graph y< 23x−1

.

Three solutions:

30. Write the inequality

Inequality:

31. Find three solutions to the system

y≤−x2+6y>4 x−8 .

Three Solutions: