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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 $(-2, 5)$ is solution of the equation $2x+y=1.$
•  Question 2: 1 pts Complete the missing value $y$ in the solution $(x,y)$, to the equation $-2x+3y=0$ if $x=3.$
 $(3,1)$ $(3,2)$ $(3,3)$ $(3,4)$
•  Question 3: 1 pts Which ordered pair is a solution of the equation? $$2x-y+1=0.$$
 $(3,5)$ $(3,-5)$ $(-3,-5)$ $(-3,5)$
•  Question 4: 1 pts An ordered pair $(1,3)$ is solution of the equation $3x+4y=16.$
•  Question 5: 2 pts Which ordered pair is a solution of the equation? $$0.05y+0.2x=-1$$
 $(-3,0)$ Both $(-3,0)$ and $(1,3)$ Both $(-5,0)$ and $(1,4)$ $(-5,0)$
•  Question 6: 3 pts Which ordered pair is a solution of the equation? $$6-5(y+2)=x-3$$
 $(-31,6)$ and $(-6,1)$ $(-11,6)$ and $(12,-1)$ $(-31,6)$ $(12,-1)$
•  Question 7: 2 pts Complete the missing value $x$ in the solution $(x,y)$, to the equation$\dfrac{y+1}{3}+\dfrac{x-12}{6}=0.5$ if $y=5.$
 $(3,3)$ $(3,4)$ $(3,5)$ $(3,6)$
•  Question 8: 2 pts Which ordered pair is a solution of the equation?$$\dfrac{x}{11}+\dfrac{y}{11}=0$$
 $(-1,0)$ $(-1,1)$ and $(1,-1)$ $(-1,0)$ and $(1,0)$ $(1,1)$
•  Question 9: 3 pts Which ordered pair is a solution of the equation?$$\dfrac{x+y}{2}-\dfrac{2y}{3}=\dfrac{5}{2}$$
 $(-1,-18)$ $(1,-12)$ $(-1,-12)$ and $(1,-18)$ $(1,18)$
•  Question 10: 3 pts Which ordered pair is a solution of the equation?$$\dfrac{5p}{2}+\dfrac{q}{5}=-4$$
 $(-2,-5)$ $(-2,-45)$ $(2,-5)$ $(2,-45)$
•  Question 11: 3 pts Which ordered pair is a solution of the equation?$$2.7x+1.5y=1.83$$
 $(-4,8.42)$ $(1.21,-3)$ $(-3.39,4)$ $(-3,4)$
•  Question 12: 3 pts Which ordered pair is a solution of the equation? $$8x-\dfrac{5x-y}{7}=4$$