Quiz 9 - M AC 1 105 Q uiz I 5203 Name: K e Show y our w...

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Unformatted text preview: M AC 1 105 Q uiz I 5203 Name: K e Show y our w ork, n o c alculators. 1. 2r 31 12+3r-I0 n2+r-6 (a) What is the commondenominator? { z+3x-lo= xt b )( l- r ) t & 6= frrs)( r-zxx+g (x+3)[x-z-J (b) 'vVhat is the domain? (c) Perform subtraction. 3x ( xt3) ___t_ 2y f xts]_ (1+ sJ e) ( x+il l nDt4 u * 3xL+gn (Zxr*l0x) [x+s)(x-z)tt+a) Ur b) XL - X -3 >tf* 5 ,1; (r+s) xaJV*) L r__g_ 2. SimPlifY -lq r*2 _-t.- \ x+3_x x t? t rat3X * x x X +Z :- {ti x+2- x+ 2 " x\ + 2x ,{t j I I {+z \ x tlld "*-= x+3 3. Sue want to build an ft bV h, fence. Write a.rrexpression ith for the total w length o f f encings hew ill n eed. [ Hint: P erimiter P : 21+ 2 w] rx\ nl X 2 \, , ". ) + z tfrJ P= )"x2+ Rx I , : X +tl I x +rr-Lt 1 Er>l r +L] / +3 x *3 Zxt +6 'n ' 1xt])(xrll 'T L{x L * t 4x [n4)(,rt3J Lx ( zx + , Cxrlr ?tz) cou4l n d, X > 0 ...
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