1. Algebra I Ch. 7 Warm-ups

2. Section 7-1 WU, Day 1 Graph the following systems of linear inequalities (sketch a graph on your paper) 1. y < ¼ x – 32. y < x + 2 y > -2x + 5y < -½ - 1

3. Section 7-1 WU, Day 2 Simplify the exponential expressions 1) 2) 3)4)

4. Section 7-2 WU, Day 1 Simplify the exponential expressions 1)2) 3) 4)

5. Section 7-2 WU, Day 2 Simplify the exponential expressions 1)2) 3)4)

6. Section 7-4 WU Simplify the exponential expressions. NO NEGATIVE EXPONENTS!! 1)2) 3)4)5)

7. Section 7-5 WU, Day 1 Use rules of exponents to divide the numbers that are in scientific notation 1)2)

8. Section 7-5 WU, Day 2 Graph the following exponential growth function. Copy and fill in the table provided and sketch a graph on your sheet. X-2012 Y

9. Section 7-6 WU, Day 1 Graph the following exponential growth function. Copy and fill in the table provided and sketch a graph on your sheet. X-2012 Y

10. Section 7-6 WU, Day 2 Use the exponential growth and compound interest equations to answer the following questions. You WILL have to look at your notes for these equations! 1)Mrs. Huseman’s gym sold 550 memberships in 2001. Since then is increased annually at a rate of 3%. What will it’s enrollment be in 2014? 2)Find the final value of $2500 invested at an interest rate of 2% counpounded monthly for 10 years.