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user100 [1]
3 years ago
7

How many solutions will the following system of linear equations have? –2x + 4y = –7 y= -1/2x + 5 A. 0 B. 1 C. 2 D. infinite

Mathematics
2 answers:
FinnZ [79.3K]3 years ago
7 0

Answer:

B. 1

Step-by-step explanation:

they only cross at one point... look below

dsp733 years ago
6 0

ANSWER

B. 1

EXPLANATION

The given system of equations is;

–2x + 4y = –7

y= -1/2x + 5

We rewrite the first equation is slope intercept form:

4y = 2x–7

y =  \frac{1}{2}x  -  \frac{7}{4}

The two equations have different slopes.

This means that they will intersect at one point in the XY plane.

Hence the system has a unique solution.

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