Quiz 10 - +0. .{f =().L l.5t- +\,}\=o-G (+''4-<r...

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lo solution in set notation [0.5x+0.4v=0.2 a) { "'-'" '> ' 10.3Y =1.5x+0.2 system of equations. . 8x2 -3x -7 aJ?= x'-x ;) gt'- 4t -7 iF--;-l *r--- 11) o'c("7)*o.4t Y\- e.? ''G)' ,t 1-V o.a- : "' 0.5*' - l, 5 x CL-- f""*Js^-* t.Cy " r. S' ,t ?- L ) :\/ /i r rt I irJ- - 2 R 7r/ .L*= -)- taS f*-5y-42 =3 I b) 12x-9y-72=2 : I l3x -l4y -llz = 5 x(* - r)1 x* r; L--z p:-l _A,f)ra X K-t >(r'l :- A(x-\)(x,rr) * I (*)(r"rr) J C (r)(*-r) -- A (r- r) t B*'+ 0 + cx'- C -- A,t"- 4 + Ex' + B t cY^-(- -- (A{ B+c)(x') +(-a+9'c) A+n+.c"N -n _4.{-o_b) 14+Q*c T +cr\ +l ,?\.1 b) 14 -3x xz -8x +16 t I Precalculus April9 ,2010 L. Brubaker All work must be shown to receive credit. l. (5 points) Solve using elimination. State if a system is inconsistent or dependent. For systems with linear dependence, write the answer in terms of a parameter. For systems with coincident dependence, state the
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Unformatted text preview: +0. .{f =().L l.5t- +\,}\=o-G (+''4-<r ?) + o.jy = O'L t '\.rl r A'77. 0.L o.v---= t.J /8"a,- I )^ t -[ ,.<r. c+;.r-lon n r *i ?et *l \ p: Ga(L 2. (5 points) Decompose each rational expression into partial fractions using either convenient values or a $5"-7x-7 C- *1; --u.e-oL *1 b a- -(-| ,b) *-<y -42:7 zY-'Qy -72 a z jt - tl1 _il2 z { I,toy+PZ'-6-47 '-77: z CQ,v t >r')z-)-) + Z]y I Lt z- ,v/ - LLz *C"l cI-- -G : to ( {-q* z-(a* t-Y * zo { =7 {; -,*zrt - I t"t Co N(l f l-e.^-tr P*f \n rlsts"^' kp-rh-P*q,P ) \/ -7 - - 4 t-s. l z b) t4 - 7t "t9r< 1 ll =) {'- vx- + 16 (r-.1)'-+ -'( ,R r*--&-"()* A(*-'\) + G A< - q& +B (x-'[) A + B : A-: -b rt+ - 7x B --2-...
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Quiz 10 - +0. .{f =().L l.5t- +\,}\=o-G (+''4-<r...

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