Thursday, January 24, 2008

#1.2 Algebraic Expressions

Aim 1/2: to evaluate an algebraic expression with or w/o exponents
Aim 3: skip
Aim 4: to combine like terms
Aim 5: to find the perimeter of an object
  • (2-36) even omit 10, 12, 14, 16

#1.3 Solving Equations

Aim 1/2: to solve an eqn with a variable on both sides using the distributive prop.

Aim 3: to solve a formula for one of its variables

  • (2-22) even

Questions? Post them here.

11 comments:

Anonymous said...

hey can someone explain to me how to do #26 from #1.3?

Anonymous said...

msichan is my favorite teacher

Anonymous said...

how do we do 18 20 and 22 from 1.3

msichan said...

am i really? give that student an "A"! :o)

msichan said...

18. s = 1/2gt^2 g=?

first get rid of t^2 by dividing both sides by t^2 so that you get:

s/t^2 = 1/2g

then multiply both sides by 2/1 to get:

2s/t^2 = g



20. I=prt r=?

to get r by itself, divide both sides by pt to get:

I/pt = r

Anonymous said...

miss chan you rock!

Anonymous said...

Ms chan is a great teacher

msichan said...

brown nosers....

msichan said...

but i'll take the compliments anyway. :o) thank you

Anonymous said...

thats not fair
dwalker copied me
at least i mean't it
trust me if i didnt i wouldn't have said it...

p.s. i said you rock because it was my way of thanking you for explaining the question that anonymous wrote

Anonymous said...

If anyone is online, how do you do number 18 & 20 for section 1.2?