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FromTheMoon [43]
3 years ago
6

Choose the system of equations that matches the following graph:

Mathematics
2 answers:
egoroff_w [7]3 years ago
7 0
B but I am not 100% sure
tiny-mole [99]3 years ago
4 0

Answer:

C. 2x-4y=0 and 7x-6y=-24

Step-by-step explanation:

We are given the graph of the system of equations given by,

y=\frac{x}{2}

y=\frac{7x}{6}+4.

After simplifying the equations, we get,

y=\frac{x}{2} i.e. 2y=x i.e. 4y=2x i.e. 2x-4y=0

And,

y=\frac{7x}{6}+4 i.e. y-\frac{7x}{6}=4 i.e. 6y-7x=24 or 7x-6y=-24

Hence, we get the system of equations,

2x-4y=0 and 7x-6y=-24

Now, we will check the point of intersection of the new equations,

Multiplying first equation by 7 and second equation by 2 and then subtracting both equations,

We get,

14x-28y-14x+12y=48 gives -16y=48 i.e. y = -3

So, 2x-4y=0 gives 2x-4×(-3)=0 i.e. 2x=-12 i.e. x= -6

Thus, the intersection point is (-6,-3).

So, the new system of equation matches the graph.

Hence, option C is correct.

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