Assignment:

1-->Set 55 (odds) - Due Tuesday (2/7)




                                        1
Lesson 55 Warm-Up:

1)   Simplify and express with positive exponents:
         xyx0y-2x-1

2)   Solve: [show all steps for full credit]
     3x + 7 - x = 21

3)   Simplify:    -2(x - y) - 3(x + y)

4)   Write 120% as a decimal and as a reduced fraction.

5)   Find all solutions: -3|x| = -3




                                                          2
Lesson 55:

*net - a 2-dimensional image of the surfaces of a solid


                                 net of a cylinder



                                           formula for surface area of a 
                                           cylinder: 2   rh   +  2    r2




                                                                            3
Examples (Lesson 55):
pg. 378
A)




B)




C)




                        4
D)




     5

7th PreAlg - L55--Feb3

  • 1.
    Assignment: 1-->Set 55 (odds)- Due Tuesday (2/7) 1
  • 2.
    Lesson 55 Warm-Up: 1) Simplify and express with positive exponents: xyx0y-2x-1 2) Solve: [show all steps for full credit] 3x + 7 - x = 21 3) Simplify: -2(x - y) - 3(x + y) 4) Write 120% as a decimal and as a reduced fraction. 5) Find all solutions: -3|x| = -3 2
  • 3.
    Lesson 55: *net -a 2-dimensional image of the surfaces of a solid net of a cylinder formula for surface area of a  cylinder: 2   rh   +  2    r2 3
  • 4.
  • 5.
    D) 5