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Yanka [14]
3 years ago
13

Is the system of equations is consistent, consistent and coincident, or inconsistent? y=4x−4y=−4x+4 Select the correct answer fr

om the drop-down menu.
Mathematics
2 answers:
Luba_88 [7]3 years ago
8 0

Answer: It is consistent as the lines are intersecting lines and it has a unique solution

Step-by-step explanation:

Since we have given two systems of equation :

y=4x-4\\\\and\\\\y=4x+4

We need to check whether the system of equations is consistent or inconsistent.

As we know the formula for checking the consistency :

\frac{a_1}{a_2}=\frac{b_1}{b_2}=\frac{c_1}{c_2}

In first equation we have

y=4x-4\\\\4x-y=4\\\\Here,a_1=4,b_1=-1,c_1=4

similarly,

In the second equation we have

y=-4x+4\\\\4x+y=4\\\\Here,a_2=4,b_2=1,c_2=4

So, According to question, we have

\frac{1}{4}\neq \frac{1}{-1}\neq \frac{4}{4}\\\\0.25\neq -1\neq 1

Hence, it is consistent as the lines are intersecting lines and it has a unique solution.

IrinaVladis [17]3 years ago
4 0

Answer:

The given system of equations is consistent.

Step-by-step explanation:

The given equations are

y=4x-4         (1)

y=-4x+4           (2)

Add both equations,

2y=0

y=0

Put this value in 1.

0=4x-4

x=1

Using the elimination method the solution of given equations is (1,0).

Since the system of equations has a solution, therefore the given system of equations is consistent.

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