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  • Linear inequalities
  • Solving linear equations and inequalities
  • Two variable equations

Two variable equations

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  • Question 1:
    1 pts
    An ordered pair (2,5)(-2, 5) is solution of the equation 2x+y=1.2x+y=1.
  • Question 2:
    1 pts
    Complete the missing value yy in the solution (x,y)(x,y), to the equation 2x+3y=0-2x+3y=0 if x=3.x=3.

    (3,1)(3,1)

    (3,2)(3,2)

    (3,3)(3,3)

    (3,4)(3,4)

  • Question 3:
    1 pts
    Which ordered pair is a solution of the equation? 2xy+1=0.2x-y+1=0.
    (3,5)(3,5)
    (3,5)(3,-5)
    (3,5)(-3,-5)
    (3,5)(-3,5)
  • Question 4:
    1 pts
    An ordered pair (1,3)(1,3) is solution of the equation 3x+4y=16.3x+4y=16.
  • Question 5:
    2 pts
    Which ordered pair is a solution of the equation? 0.05y+0.2x=10.05y+0.2x=-1
    (3,0)(-3,0)
    Both (3,0)(-3,0) and (1,3)(1,3)
    Both (5,0)(-5,0) and (1,4)(1,4)
    (5,0)(-5,0)
  • Question 6:
    3 pts
    Which ordered pair is a solution of the equation? 65(y+2)=x36-5(y+2)=x-3

    (31,6)(-31,6) and (6,1)(-6,1)

    (11,6)(-11,6) and (12,1)(12,-1)

    (31,6)(-31,6)

    (12,1)(12,-1)

  • Question 7:
    2 pts
    Complete the missing value xx in the solution (x,y)(x,y), to the equationy+13+x126=0.5\dfrac{y+1}{3}+\dfrac{x-12}{6}=0.5 if y=5.y=5.
    (3,3)(3,3)
    (3,4)(3,4)
    (3,5)(3,5)
    (3,6)(3,6)
  • Question 8:
    2 pts
    Which ordered pair is a solution of the equation?x11+y11=0\dfrac{x}{11}+\dfrac{y}{11}=0

    (1,0)(-1,0)

    (1,1)(-1,1) and (1,1)(1,-1)

    (1,0)(-1,0) and (1,0)(1,0)

    (1,1)(1,1)

  • Question 9:
    3 pts
    Which ordered pair is a solution of the equation?x+y22y3=52\dfrac{x+y}{2}-\dfrac{2y}{3}=\dfrac{5}{2}

    (1,18)(-1,-18)

    (1,12)(1,-12)

    (1,12)(-1,-12) and (1,18)(1,-18)

    (1,18)(1,18)

  • Question 10:
    3 pts
    Which ordered pair is a solution of the equation?5p2+q5=4\dfrac{5p}{2}+\dfrac{q}{5}=-4
    (2,5)(-2,-5)
    (2,45)(-2,-45)
    (2,5)(2,-5)
    (2,45)(2,-45)
  • Question 11:
    3 pts
    Which ordered pair is a solution of the equation?2.7x+1.5y=1.832.7x+1.5y=1.83
    (4,8.42)(-4,8.42)
    (1.21,3)(1.21,-3)
    (3.39,4)(-3.39,4)
    (3,4)(-3,4)
  • Question 12:
    3 pts
    Which ordered pair is a solution of the equation? 8x5xy7=48x-\dfrac{5x-y}{7}=4