Name:   Factoring  out  GCF           A.  Finding  GCF             EX:  Find  the  GCF  of  the  following:   3

b.   28 p  and   49  

2

a.   8r  and   64r         3

2

2

d.   56xw  and   49xk      

c.   12x y  and   2x y         B.  Factoring  Out  GCF   EX  1:  Factor  the  following:   a.   12bc − 4bd                   c.   56x y − 35x               5

5

 

 

 

 

b.   15x + 5x  

 

 

 

 

d.   5x + 10x + 15  

2

2

EX  2:  A  company’s  weekly  revenue  in  dollars  is  given  by   R = 2000x − 2x .  Factor  this.             EX  3:  The  height  of  a  projectile  launched  vertically  upward  from  the  top  of  a  96-­‐foot  tall  tower  is  given  by   2

h = −16t 2 + 80t + 96 .  Factor  this.  

                Beginning  Algebra  

The  simplest  schoolboy  is  now  familiar  with  facts  for  which  Archimedes  would  have  sacrificed  his  life.~Ernest  Renan  

C.  Solving  for  a  Variable   EX  1:  Solve   S = 2lw + 2lh + 2wh  for   l     Get  terms  with  variable  solving  for  on  _______  side  of  the   equal  sign.     ______________  out  the  variable.  

 

  ________________  for  the  variable.  

 

 

  EX  2:  Solve   S = a + Nd − d  for   d                    

Challenge:  A  group  of  students  were  polled  to  see  which  courses  they  were  taking.  64%  were  taking  English,  22%  were  taking  a  foreign  language,   and  7%  were  taking  both.  What  percentage  of  students  polled  were  taking  neither  subject?  

 

Factoring out GCF.pdf

Loading… Whoops! There was a problem loading more pages. Whoops! There was a problem previewing this document. Retrying... Download. Connect more apps... Try one of the apps below to open or edit this item. Factoring out GCF.pdf. Factoring out GCF.pdf. Open. Extract. Open with. Sign In. Main menu.

207KB Sizes 1 Downloads 288 Views

Recommend Documents

No documents