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assignment 7 by Tony woods

Page history last edited by Nathan Wisdom 13 years, 5 months ago

1. Case 1: figure A

    Case 2: figure D

    Case 3: figure B

    Case 4: figure C

 

b.(x+a)(x+b)=x2+ax+bx+ab 

                   =x2 + (a+b)x + ab

 

C.1.(x+0)(x+b)=x2 +0+bx+0

 

2.(x+a)(x+0)=x2+ax+0+0 

 

3.(x+0)(x+0)=x2+0+0+0

 

2.a.(50+2)(50+7)  = 2500+(9)(50)+14

                            = 2500+450+14

                            =2950+14

                            =2964

 

b.(10+6)(10+3)=100+(9)(10)+18

=100+90+18

=190+18

=208

c.(40+8)(40+2)=1600+(10)(40)+16

=1600+400+16

=2000+16

=2016

 

d.(70+2)(70+5)=4900+(7)(70)+10

=4900+490+10

=5390+10

=5400

 

3.A.(34)(36)=1224

>>>How did you do this? Explain.>>>

b.63X67=4221

c.81X89=7209

d.95X95=9025

 


Can you explain more here? Maybe the question would help or writing complete sentences...

e.10

f.(b)4 (c)8 (d)0

g.(b)n=4 a=3 b=7

(c)n=8 a=1 b=9

(d)n=0 a=5 b=5

h.what?

i.what?

j.multiply each other

k. I learned to do a lot of stuff in this question on what to do to get the answer.


 

4.(a)x2

 

  (b)(x+4)(x+4) =x^2+4x+4x+16 (use the pattern)

 =X^2+8x+16

 

a=x^2 b=8x a+b=X^2+8x (not sure what you are saying here)

 

(c)much greater. under the 4x and beside the 4x.

(d)more larger

(e)what?


??? 

5.(a)91204

(b)2916

(c)4225

(d)4.41

(e)I think no because they obviously have like more then 1 term of something.

 

6.(a) i would maybe say like 16 or 8

(b)x^2

(c)(x+4)(x+4)

X^2+4x+4x+16

X^2+8x+16

(d)X^2

(x+y)(x+y)

x^2+x^2y^2+y^2

(e)a.1331

b.12167

c.1030301

(f)a.(t+5)(t+5)(t+5)

T^2+5t+5t+t^2+t^2+5t+5t+t^2+t^2+5t+5t+t^2

T^64+30t

b.(w+2)(w+2)(w+2)

w^64+12w

 

7.a.(x-y)^2=x^2-2xy+y^2

b.what?

c.a.9801

b.1444

c.289

 

8.a.what?

b.what?

 

9.a.(x+8)(x-8)

x^2-8x+8x-64

X^2-64

b.(x-6)(x+6)

X^2+6x-6x-36

X^2-36

c.(z+12)(z-12)

z^2+12z-12z-144

z^2-144

d.(w+3)w-3)

w^2-9

e.(t-7(t+7)

T^2-49

f.what?

 

10.a.(100+1)(100-1)

b.(20+2)(20-2)

c.(40+5)(40-5)

d.(60+3)(60-3)

e.(6+.3)(6-.3)

f.(2/2+1/2)(2/2-1/2)

  


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Comments (1)

Nathan Wisdom said

at 2:23 pm on Sep 20, 2010

Tony I am getting lost trying to follow you. I formated the the first 2 questions to match what I thought you were saying. Please let me know if that was what you intended.

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