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Algebra II

Algebra II. 1.3: Solve Linear Equations Hw tonight: none HW Monday: p.21-23 (12 – 48 every other even, 68, 70). What is an equation? What are the different types of solutions you can have when solving an equation?. 1.3 Do Now: Solve. 1.) 7x – 41 = -13 2.). 1.) 5w + 2 = 2w + 5

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Algebra II

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  1. Algebra II 1.3: Solve Linear Equations Hw tonight: none HW Monday: p.21-23 (12 – 48 every other even, 68, 70)

  2. What is an equation? • What are the different types of solutions you can have when solving an equation?

  3. 1.3 Do Now: Solve. 1.) 7x – 41 = -13 2.)

  4. 1.) 5w + 2 = 2w + 5 2.) 12(r + 3) = 2(r + 5) – 3r Solve the equation. Check your solution

  5. Solve the equation. Check your solution 3.)

  6. The bill for the repair of your bicycle was $180. The cost of parts was $105. The cost of labor was $25 per hour. How many hours did the repair work take? p.23 #69

  7. You have two summer jobs. In the first job, you work 25 hours per week and earn $7.75 per hour. In the second job, you earn $6.25 per hour and can work as many hours you want. You want to earn $250 per week. Write an equation and find how many hours you must work at the second job. p.23 #71

  8. 1.) 2(b + 3) = 4b – 2 2.) 2x – 3 = 6x + 25 3.) Extra Practice: Solve the equation. Check your solution

  9. 1.) 0.6x + 0.5 = 2.9 2.) 3.) 3.8w + 3.2 = 2.3(w + 4) Do Now (1.3 Prac): Solve the equation.

  10. Algebra II 1.4: Rewrite Formulas & Equations

  11. 1.) Solve A = lw for l. Then find the length of a rectangle with a width of 50 mm and an area of 250 sq. mm. Solve the formula for the given variable.

  12. 2.) Solve A = ½ (b1 + b2)h for h. Solve the formula for the given variable.

  13. 1.) 4y + x = 24; x = 8 2.) 15x + 4y = 9; x = -3 Solve the equation for y. Then find the value of y for the given value of x.

  14. The formula for converting temperatures from degrees Celsius to degrees Fahrenheit is F = 9/5C + 32. Solve the formula for C. Then find the temperature in degrees Celsius that corresponds to 50 degrees Fahrenheit. p.32 #35

  15. A tuxedo shop rents classic tuxedos for $80 and designer for $150. Write an equation that represents the shop’s revenue. The shop owner wants $60,000 in revenue during prom season. How many designer tuxedos must be rented if the number of classic tuxedos rented is 600? 450? 300? p. 32#37

  16. 1.) 6x + 5y = 31 2.) 9x – 6y = 63 Solve the equation for y.

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