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Unit 7 Review: Systems of Equations and Inequali ...

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  • Rose has 2 jobs. Her first job as a trainer she makes $50 an hour. She also works as a tutor and makes $25 an hour. She wants to work no more than 40 hours a week. She does want to work each job so she can earn more than $1250 a week.
    50x+25y>1250 and x+y<=40
  • 18) Kelly has 24 quarters and dimes.  Her total amount of change is worth $3.60. Create a system of equations
    d + q = 24    and  .10d + .25q = 3.60
  • 15) What is the value of x?
    4
  • 16) PLumbing company A charges $20 to come out and $5 an hour.  Plumbing company B charges $50 and $3 an hour.  What is the amount of hours for the cost to the be same?
    15 hours
  • 12) Solve:
    (-1,3)
  • 7) What is the solution to the system of equations shown?
    (-1,1)
  • 14) What is the value of x?
    -3
  • Is (0,0) a solution to the system? Why or why not?
    No not in double shaded area
  • 9) How many solutions does this system have?
    Infinitely Many Solutions
  • 17) Solve the system  5x+8y=-12 and 3x+5y=-7
    (-4,1)
  • 4) Solve:
    (3,-8)
  • Where are solutions at in a system of inequalities?
    In the double shaded area
  • Determine a solution to the system
    Answers may vary - need to be in double shaded area
  • 10) Create the equations for the system
    y = 2x−1 AND y = −x+2
  • 11) Find the value of x:
    12/5 OR 2 2/5 OR 2.4
  • 13) Determine the solution
    (2,7)
  • Solve this equation to be in slope intercept form: 4x - 2y = 12
    y= 2x-6
  • 3) How would you solve this system of equations?
    Graph in Desmos
  • 8) How many solutions does this system have?
    No Solution
  • 5) Solve:
    (3,5)