University:
Central Michigan University
Course:
MTH 107 | College Algebra
Academic year:

2024
Views:

285

Pages:

3
Author:

Eliza Green

............................................. Cheptir 7 .:.......................................... .: Tell whether the ordered pair s i asolution of the equation. Ph ., _,.� )( A� y \fA.l""S • If � )( Y �,w, l)W-.I 4""'-3.r-e< ')(. y 1. ( 4, 1) (-2. -5) 2. (-2, l) .- v inio +"-t WDW'k i"' b!':!." . 'f + 2 ( 1 \ : I, ? 'lcs. 3l•d + l : II? No. x+2y = 6 3x+y = 11 Solve the linearsystems by �raphing. 4. y = 3x y = 4x- 1 'r, .. ' ' Sol..l,on ' ' x=� c-.· - 3x-4y= 1 �� S�-:-1.")t l, 1. ' -:. •l/s )( • L. ,, rt�. 1.)\ - ,. .... , �(f.-'f'J)-1.f� =l l f - 11.) - ... , -:. I \f _,1,�: I _,.,": -\1 )(:4-�(�) � >c _ t, )( -&. = • --i 'le - ' -:. o -1.'IC �, )C�-1 '1 � •.l , i. 2x+2y= 6 ➔ Z';) :-l>r. -,.I, 13 -:. -� • - 3x+5 ,1'=-3 3 � � -"?> +s-t-)(+1> = -- 33 r:.-t.,+3 -3 x - S'x + l�-:. -lJ -:.-� x -,� -:. -"v ( "• -J) l( -:,.f., 4x+3� 2x+y=-2 ➔ �: -� 'h, + 3 (-i)t -i.) r 14 , ' 'I ll. '!L-11.-i� -:. I. 1 ' , Solve the line� rsystem s by substi tution. 10. � : -� )( --'i , •p � No ' ' 8. 6x+ 12y = -6 J2y : -1.)( -&. 2x+5y = o y :. •.L � ..l � �: -))( +"I ' �::-½)(-� 1111 " 7. 6x+2y = -6 2 � : • I, X .. (, � � - J )c - '] 3x+y = 4 ,} � ' / ' \· 6. -3x - y = -1 - 'j :: 3'>( - I ➔ � :: - 3K + I 2x+4y = -16 I.J�: -'l,)( -II,., -x+ 3y= -9 ➔ ·s-4y=32 3l3� ...�)-'t�-:. 11 l'l�t,i-tt��!l. J..o�-:. -\fo �-:. -l. :t> 12• �-:. -� 2.� : -C,«, y-:.1. 15. °)(-iH-1 -:-b.,.� -- 3 (3, --2,) x=-5'c-=-l-t't -"' · )( -- -·)S't't ••l •ll 'j x+5y=ll -,, � 1(-��+n) ._1'1 -: iv �-: -2t-1)-2 -:. l,, - t � &f -x:: -3w-J .. , 8x� -::;. -la ·HJ :. I (l,i) 3x+3 =-18 -�-:.-Y)(-l"f 4x-y=-14 � lj-=-Yx-t•� 3 )(; +3('t.k+N\ -:--IJ 3x+-l1.k+L#z.: .. ,J l�x -c. -1,0 x-:. -'f • �-:.Y(-a,),.l'I -:: -lb -tl't -:. ....2, £1. -l)

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