3rd nine weeks review - anderson5.net€¦ · algebra(1(( ( ( ( (...

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Algebra 1 Name: _____________________________ 3 rd Nine Weeks Review Solve the equation. Show your work! 1. 2 4 = 6 + 8 Solve the inequality. Show your work! 2. 5 + ! ! 7 Graph each inequality. 3. 7 4. > 3 5. Find 2 + 7 if = 3 4 Graph each transformation. 6. = + 2 ! 1 7. = 3 + 2 8. What is the slope of the line that passes through (3, 2) and (8, 6)? 9. What is the equation of the line that goes through the point (6, 4) with a slope of ! ! ? (Put in slopeintercept form.)

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Page 1: 3rd Nine Weeks Review - anderson5.net€¦ · Algebra(1(( ( ( ( ( Name:((_____(3rd(Nine(Weeks(Review( Solve(the(equation.((Show(your(work!(1.((2!−4=6!+8((((Solve(the(inequality.Showyourwork!

Algebra  1             Name:    _____________________________  3rd  Nine  Weeks  Review    Solve  the  equation.    Show  your  work!  1.    2𝑥 − 4 = 6𝑥 + 8        Solve  the  inequality.    Show  your  work!  2.    5 + !

!≥ −7  

     Graph  each  inequality.  3.    𝑥 ≤ 7                 4.    𝑥 > −3            5.    Find  𝑓 2𝑥 + 7  if  𝑓 𝑥 = 3 − 4𝑥        Graph  each  transformation.  6.    𝑦 = − 𝑥 + 2 ! − 1           7.    𝑦 = 𝑥 − 3 + 2                                8.    What  is  the  slope  of  the  line  that  passes  through  (-­‐3,  2)  and  (8,  6)?        9.    What  is  the  equation  of  the  line  that  goes  through  the  point  (6,  4)  with  a  slope  of  !

!?    (Put  in  slope-­‐intercept  form.)  

   

Page 2: 3rd Nine Weeks Review - anderson5.net€¦ · Algebra(1(( ( ( ( ( Name:((_____(3rd(Nine(Weeks(Review( Solve(the(equation.((Show(your(work!(1.((2!−4=6!+8((((Solve(the(inequality.Showyourwork!

10.    Write  the  equation  of  the  line  in  point-­‐slope  form  that  goes  through  (-­‐4,  2)  and  has  a  slope  of  -­‐7?        11.    Write  the  following  equation  is  slope-­‐intercept  form.  3𝑥 + 6𝑦 = 9      12.    Write  the  following  equation  in  standard  form.    (Make  sure  your  answer  follows  all  the  standard  form  rules!)  𝑦 = 8𝑥 − 3      Are  the  following  lines  parallel,  perpendicular,  or  neither?  13.    𝑥 + 4𝑦 = 8           14.    𝑦 = −7𝑥 + 4                𝑦 = − !

!𝑥 + 6                                                                                          𝑦 = !

!𝑥 − 3  

   15.    Find  the  x  and  y  intercepts  of  the  equation  3𝑥 − 4𝑦 = 12.        Find  the  inverse  of  each  function.  16.    𝑓 𝑥 = 9 + 3𝑥           17.    𝑓 𝑥 = !

!!− 4  

       18.    Solve  the  system  of  equations  by  graphing.    𝑦 = −2𝑥 + 1  𝑦 = 3𝑥 − 4                              

Page 3: 3rd Nine Weeks Review - anderson5.net€¦ · Algebra(1(( ( ( ( ( Name:((_____(3rd(Nine(Weeks(Review( Solve(the(equation.((Show(your(work!(1.((2!−4=6!+8((((Solve(the(inequality.Showyourwork!

Solve  each  system  of  equations  using  substitution.  19.    𝑦 = 5𝑥 + 2               20.    3𝑦 + 2𝑥 = 0              3𝑥 − 2𝑦 = 3                 𝑥 = 𝑦 − 10          Solve  each  system  of  equations  using  elimination.  21.    3𝑥 + 5𝑦 = 8         22.    4𝑥 + 4𝑦 = 8          −3𝑥 + 𝑦 = 4                          2𝑥 + 𝑦 = 2          Simplify.  23.         24.                    25.           26.                    27.    Paul  invested  $400  into  an  account  with  a  7.5%  interest  rate  compounded  monthly.    How  much  will  Paul’s  investment  be  worth  in  8  years?            28.    Ms.  Smith  received  a  job  as  a  teacher  with  a  starting  salary  of  $34,000.    According  to  her  contract,  she  will  receive  a  1.5%  increase  in  her  salary  every  year.    How  much  will  she  earn  in  7  years?