Afts'Wef I/.tf Class---€¦ · Name Afts'Wef I/.tf Reviewfor Six Week Test Class--- 2nd Six Weeks...

Name Afts'Wef I/.tfReview for Six Week Test

Class---2nd Six Weeks

Graph the figure with the given vertices. Then graph the image of thefigure after a reflection over the given axis and write the coordinatesof its vertices.

if

0 x

I

'Z. triangle DEF with vertices D( -1, 2),E( -3, D, and F( -4,5); y-axis

t I \)Y \..! I J-y

0 )(

t. triangle ABC .••vith vertices Af l, 4),B(4~I), and C(21 5); x-axis

l/ ~ triangle XYZ with ~. triangle EFG withvertices X(1, -2), Y(3, -5), vertices E{1,4), FC-1, 1),and Z(4, 1)translated and G(2, -1) translated5 units left and 3 units 3 units left and 1 unitup (f -6' /"i -r~) down &- -'3 / Y - t)

AI (110') y '/(~/)11' i \ f-+-+-+-!-If-+-4-+-l---1. \( I/_ '1 -J.)(;;(tJ,,31 ;\ ••..):

a x ~I-t--f-+-t---+-+-t-+---t--i"-,( -! . (f \I-t--f-+-t---+-+-t-+---t--i~' ) '/

Graph the figure with the given vertices. Then graph the image of thefigure after the indicated translation and write the coordinates of itsvertices.3 . triangle ABC with

vertices A( "':"3,-1),B( -4, -4). and C(-l, -2)translated 4 units rightand 1 unit up

y

0 X

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IY'

0 xI / '\G (-I 0)-, ) ,

Draw the image of the figure after the dilation with the given cerrter-and scale factor.

~. center: C, scale factor: 2':\u..

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1/C

'!f . center: N, scale factor: 1.2

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Find the coordinates of the ver-tice s of polygon F'G 'H J afterpolygon FGHJ is dilated using the given scale factor. Then graphpolygon FGHJ and polygon F'G'H'J'.

y

Ci F~-2 9)" Gi') ~ 'P' ,; .:>: T -,~ -4)--,. \ ,. -', T •••• ~ -:r: .• ..I,.~ '_'. ~.:.J'""1:} ,

scale factor 2

g- " F( -2,2), G(2, 3),Hi3, -2j. J( -1, -3);3scale factor A.

1 ! i CI-+-+-+-I-J---+-+-i--+, -;, .:J ..-J ~x'I x!I--+-I--+-+-l-l-+-+-+, -t, >

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uy!

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In the exercises bel ow, figure R'S'T' is a dilation of figure RST andfigure W'XT'Z' is a dilation of figure WXYZ. Find the scale factor ofeach dilation and classify it as an enlargement or as a reduction,

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r-,R r-, S.~~

~ i-"" ......r-:iT' T 0 x

~Vi Yr-..

Ii It" " ...•. XII o I x / x

II . Y' I

7 Y

-' \- -. (. If o~;,-!.J\"':::; \ c',)). -'--.' ' .

Determine whether each ordered pair is asolution of the given eq~"'i-es _

13· (27,0); Y = 81 - 3x ~. (4,5); Y = 5x ~ NO !&) 'f. \-;f-/V, (:""3, 7);y = 2x + 13 m. (2,4); Y = 3x - ,..JO 7~\

~ '!(S "2- i~/'-t Ie;Use the values to make a table of solutions. q rq-iz..",'- 3 c Is,11-\f,j" ~. y = x + 2 lor x = 0, 1, 2, 3, 4 ," 7I,· Y= aX + 5 for x = 0, 2, 4, 6~f) *" ~ !io '.

, -'1,·\0,:'1'1' Y= 2.2x - 1.7for x = -4,.-3, -2, -1 -3 -s.'S, -z -(p, \

-( -7,1Z, ' Which oven had not been preheated? 22" If there are 5 s between floors, which

Explain. person rode an elevator? Explain.

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2 4450 4400 10 10 20

3 4500 4400 15 15 30

1'2. 1'. GLASS BLOWING The diameter of a vase is now 4 centimeters. If the diameter increasesby a factor of 2, what will be the diameter then? 4· ::r-:::. ~ -;: 9-~Cfii .

3.. . 3 ' :3 . -i~ ~ \.z. Use each table to make a graph and to

i\~ write an equation.3 \0t.t I!-\ Iff, lX' 1 2 3 4 5I;.~,; 2.3 4.6 6.9 9.2 11.5

I~; 1 2 3 4 51 1 1.1.. 2 2.1..2 2 2

IIx 1 2 3 4 5.Y:'f' 1 2 3·t

I4 5

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IState whether each sequence is arithmetic. 'Write yes or no, If it is, state thecommon difference and write the next three terms.

2'1 14 92 30· 38 46 SA &,Z- 10 If. 5,25,125,625,3,125 nO~~ , ~Z/.z~' ...) I V,,-/ '---./"'I £'7 ~'r'ls"t"b tJ -: 3,5~

"-- L-----

'\ '35') Cof'AIYI!')S1{OrJ -=- frv, H _ lJt f

i--+s,ooO [.Od,¢; +- tC1:1(OOOC{j4~~::: "--!'}£-1-5-+-- ~;'l55'-=--i 1&,'6-3D (Find each percent increase or decrease to the nearest percent ..

'3l ' .ftgm.40 to 55 ~. ffom 75 to isn..; '3