ChC"7ter 2 Practice Test (67 ptsJBefore: ------ After: _ Actual:

y/ t\

1. (4pt) Identfy the coordinates of each point and

state the quadrant each point lies in.1!i- te-

l -?I'-~) J1Cc",a..

A~ I~ \. S") ,.... .D II

• r-..-1, 1/

./ •..~ ~ .1 Ii .~- <,-, ,/ /'

Ls-') J-

~.~

('2-, t ~ A If')I---- - .,I 1.......r:L ._7 f\ .-r\.

~...••.. 17 .tf"

~~~

l"~ \ V

)x

2. (2pt) '.'-'ri~:, In equation for the horizontal line pas-ng through the point (-6, 4).6::~ .-/

-----

3. (4pt) Sketch the graph of the equation y = -4.1 +:-: ..:/WI -- -~ ~ ~-l ~f

y

(l~

\I~ ~ ( 1\//V/

II I \/- r£jI \<" '""'-

I, /

) 1....---...

I ~ 1\I

I \1\I "~i

" /

Chapter 2 Practice Test

8. (4pt) Write the equation in stope-intercept form and then identify the slope and the v-intercept.

1."'(-51,=6-, 5'1' ·-i f'y

9. (4pt)

_ 6-r

~.-~J1Vhel1.Y=~·. 1'=-5~..A .....:..

-. J":-)C

VJrite ;<nequation that relates the variables.

10. (3pt) The v-dues of x and

rnf ~~~A(j,y~::1

Page 3 of9

Chopt=r 2 Practice TestCD ~'Tpr(}b/~

11. (lpt) Rent! Cor Charge A rental C~50 pl..s J fixed charge r'or mile driven. The totalcharse for t~() miles of use was $134. Write an eql!,lion for the cost, r ~jn dollars), in terms of the

r ---v12. (2pt) Is :".~: 'r;r'2d pair (-4,3) a solution of the in~~"IJ:ity 7x+9y ~ -107

~ i

7(-'i') -t q(3 )~-(O ?.- "L~ -+ 2-{ L -( 0 7.

'-j?-"rO?)JO

r- p:::; 7"i ~ >re!r I<) -

13. (.~:Jt) S::r-;ch thegraphofthe inequality -x<:-2

1 t--r»>

.~y.>-:

I.

,/

-- I./ I I..-

--- I \,

'"<,

to I ••••• /", 1,---, u

I,-

/'

....V h---~

Jr //' I'----->~?L-'

y/1\

Page 4of9

Cnopter 2 Practice Test

'/.. ~, 'I-1- 'jz..4. (2pt) Find the slope of the line containing the points (3, -1), (-2, 3)

3 '- (-I ')--2- 3'3-t-1

.-- .---- -S""-Lf

-:>- .-5-

6. (3pt)); 11 '1 '-/z- -i .-5' - b 3

Line 1 contains (3', 5) and (1~-1). '1111~ I - 3 .:--:;::~Line 2 contains (-1, -4) and (2, ?). ~ ., ~(-4) ..~ -::..2-

It, '1, "/.J. LJ'L 1Ifl1Z; -(- - 7--t i ':?Are the lines parallel, perpendicular, 0 neithpr?

. C kkCt 'j~ p~"'rc;fi'C It-l~/}YJ I t.: m1 1.. ,

47. (Lpt) tine! t!;~ rise, run and y-intercept of the lin> \' = -x - 6-- 5

V')~: '1

ru v1: 5y- 'i'fl+";--: '- b

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Chapt =r 2 Practice Test

11 n 4)16. (3pt) Sketch the UClph of the equation y = ~ X\:)I' ,./ ~~

-+ l(i><;t~iaI \~ 7U t)/\k

y

,f) /"'I ---:".;--

I

-~

L JI ...~.rI ~

•.•....

~./""

r--. /.,..--""'-r---L L.--/ \ ..-- <,-, ... .. /

_i_\--j_..-

I II

~l_ I !i

I I I

Cho 1- -, ~ j"~ctice Test

17. (3ptl Write an eC"Jtion of the line with j-intercep: i.;/I and a slop"ff)b ,/J1\-----~-

8 ( )' ion of h I' inina the r-oi 1--( '2 Y) ith I III-_::;:::;:2" )) .-rn:1.4pt Wrltear,('("I->:'ono t e me contarning t e r-oint - ,-4: Wit acopeo0

19. (5pt)/},( y, \ '1-7... ", •...

'.'.trite 2:1 (roo :~'>'n of the line contair<inE (3, -') . d (5, -4).

---:j ~ '/VI )( -r b

_) ::.(-~J{~) + 1-~ , -} +h

I - ::>-r~.... of '/-z.

-,'B-X

Page 6of9

2 Practice TestChapter

, t h c- ·"Ire.' hown In, e, -o >-'~n of the lines) Write an fF;UL, ,'~

20. (2pt . "\ L:!.L _ ~ =-I '-(-I) -_ I~A - 't\..j~-l1l "'/ ---r- I~ '"; 1-[-,)I'm:' 'f...t. -y:.,

y

hapt' ....2 ractice Test

Chicken Consumption (in 22 and 23, use the following information)-t=D -L">-b

For 1983 through 1929, the er capita consumption of chicken in the U.S. increased at a rate that was

approximately linear. II lS83 the per capita consumption war .9 ~lW " ?rel :6¥t ~s ~~ounds.

22. (lpt) \Nrite a linear equation for the per capita consumption c c chicken in the U.s.

Let t = 0 rcr rcsent 1983. ® pd>'7t;-2..:)"".CY 1,:1 1h

/)y}: 6- D

;J{.L)

b=z('?.,~--l--i~4-+---t--t---7

23. (lpt) \,.,~..,~,...•uld you expect the per «1:;·1 consumption of r'. :::ken to be in 19977 I qq7t==lY ~~-- - I if-

AF .: (.. -~ .'."'f." ... ·._;._r,. ",)- ramr, .ome In. _, use ".L I ' . "vil/, , ,.,vn \. _. f'The roof line of an /"r",.,,., home follows the path givr" ')y J' = -11.\'1 + 11. (each unit is one foot).

~

-7 )'24. (lpt) Fi:,rJ:.-? :,rte;.pf the graph. 0

30

··15 -10 -5 5 \0 15 .r

Page 8of9

Chapter 2 Prcctice est

--~--------------25. (.3·P"O In lSCS7~ ~a~!owed one Congressman in the House of Representatives for every

27,000 citi ns. ~ach Congressman or Conroresswoman represente~iZens.t'le avcrc ; -. 'of cboric per year.

S~2000,---'5;l{ q (J(J(/ .- 17(JW

(/rF- ?o - 0

20

/

Page 9 of9