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# WS 1(TWO) - l4_ﬁ{if x—L...

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Unformatted text preview: l4___ _'_____ﬁ {if x—L}_ ‘ )(Q—HD (x2-16)'1 /1,c3 (mow—u) [ "(MM W]; l C WW. WWW“) '~ (“W-1+) mpg-kw}? ‘kXJrq U44. Solve. 20) One conveyor belt can move 1000 boxes 1n 6 minutes. Another can move 1000 boxes 1n 9 minutes If another conveyor belt 15 added and all three are used, the boxes are moved 1n 3 minutes How long would it take the third conveyor belt alone to do the same job? rt‘th Com/«2:70y lCN’J'JF w- eat; -_ i" SQC/mnol wed}; 7? Jd—t—LFLL: _L Xminwbs "l0 )8 X CL'G Vim job I .1. W: .1, x 3 18 +++++++ ++++++++++++ +++++++++++++ ++++++++++++++++++++++++++++++++++++++++++++++++++ ++++++++++++ +++++++++++++ +++++++++++ Mrs Hestiyas Solve the equation. R V : ___:]l ) 3 1 2 -4 21 + =—————————— )x+7 x+3 x2+10x+21 «Lab—L : Sit—ﬂ X44; X+5 (x+qj(ﬁ+3) LCD:()T-}:})CX+3) ,7)- —U , wwwéﬁxﬁ'i WNW) Fm; (”é % WW3) Solve the equation for the indicated variable. 22)1= “E for r nr+R +++++++ +++++++++++++++++++++++++ ++++++++++++ +++++++++++++ +++++++++++++++++++++++++ +++++++++++++++++++++++++ +++++++++++ Mrs Hestiyas Graph the function. 24) f(x) =— 3x — 3 Use function notation to write the equation of the line with the given slope and y—intercept. 25) Slope 5; y-intercept (0, 2) 1d : ”UH—J9 26) Slope — 3-; through (3, 2) 5,31: mLKFXI) — :”Z.B_3:(X"3) 8 Mrs Hestiyns Graph the function. 27) f(x) = J; + 5 28)f(x)= le-3 Find an equation of the line passing through the given points. Use function notation to write the equation. 2900-1) (7 —25) '2 ‘1) m :4} Write an equation of the line using function notation. 30) Slope 0; through( -6, 3) E13,-YWLX‘ X1) +++++++ ++++++++++++ +++++++++++++ +++++++++++++++++++++++++ ++++++++++++ +++++++++++++ ++++++++++++++++++++++++++++++++++++ Mrs Hestiyas Solve. 31) The pressure of a gas varies jointly as the amount of the gas (measured in moles) and the temperature and inversely as the volume of the gas. If the pressure is 975 kPa (kiloPascals) when the number of moles is 7, the temperature is 250° Kelvin, and the volume is 560 cc, find the pressure when the number of moles is 9, the temperature is 310° K, and the volume is 540 cc. 1- P 3 l a n T V Ens-1K (an (2603 p : 3M ‘5‘???" 5,40 Wham) [P2'I6’3KPQ Write an equation to describe the variation. Use k for the constant of proportionality. 32) P varies jointly as the s u d the square of S. Solve. El 33) The amount of water used to take a shower is directly proportional to the amount 0); time that the shower is in "use. A shower lasting 18 minutes requires 9 gallons of water. Find the amount of water used in a shower lasting 6minutes. q r; Idle) [5 a 4.216. 514%, a X 34) The amount of time it takes a_ Vﬁmfrli’er to swim a raceis inversely proportional to the average speed of the swimmer. A swimmer finishes a race in 30 seconds with an average speed of 5 feet per second. Find the average speed of the swimmer if it takes 25 seconds to ﬁnish the race. X ,gﬂx’ * K EH [ED a h_ _ 3 5 as .___.X 1‘50 21¢ +++++++ +++++++++++++++++++++++++ ++++++++++++ +++++++++++++ +++++++++++++++++++++++++ ++++++++++++ +++++++++++++ +++++++++++ Mrs Hestiyas Find an equation of the line. Write the equation in standard form. 35) Slope — 3;; y—intercept (0, 8) ﬁ:mX—}~I9 3:"ng +<8 36411.9(? \é’ éfj : 641/69) + 6(3‘) ég;~x+#8 J 15:1 48 3 dicuIarto 2x— 3y: 2 )1) SEOPE ‘Hm [LﬂQ 3X . '55 :5\ ‘J’kﬁha [Dam—I {32): —a: By (9)2)15—85: H=%Xﬂ%’ (3— 31—30.. 4) \$[DFQ 1%[m‘J 3 ‘12 ‘~)€+1__;L 3 H : EEX'Fllz-L 41')‘ —~ fix-k— ’(3 1.’hL__—:—____x+% l37) Through (4 5); paiaﬂell- to 8x+3y =/3 ' " in Lima 1m» <gx+33 hf: [KEG-1n!“ (tr/L5) if) --%/3) _. - 34": "5.30 9}) are 3’5“: -—:§J+.? Slope: *_3é_[m.) j: “ghﬁf’éﬁ-Ht 613) 33.: gK‘kP‘)i—\$(ﬂ—_.) ( '3: a : — 3—K ‘1‘ (Li; X {A1 If y varies directly as x,%nd the direct variation 13 38) y: 1.2Whenx: —.06 {‘4}th W quatiL for the situa +++++++ ++++++++++++ +++++++++++++ ++++++++++++ +++++++++++++ ++++++++++++ +++++++++++++ ++++++++++++++++++++++++++++++++++++ Mrs Hes tiyas If y varies inversely as x, find the inverse variation equation for the situation. 39)y=4whenx=6 at, 2. K e EAL, 2K L__,__.__..._._J Solve the proportion. x + 6 x + 8 40) 5 _ 7 40%): “”9 4x+q;:5‘x+%b ax : — x: —) +++++++ ++++++++++++ +++++++++++++ ++++++++++++ +++++++++++++ ++++++++++++ +++++++++++++ ++++++++++++ +++++++++++++ +++++++++++ Mrs Hestiyas ...
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