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Solve the system of equations graphed on the coordinate axes below.
y, equals, minus, 4, x, minus, 2
y=
−4x−2
y, equals, one half, x, minus, 2
y=
2
1
x−2
y, equals, minus, 4, x, minus, 2
y=
−4x−2
y, equals, one half, x, minus, 2
y=
2
1
x−2
Answers
Answered by
GPT-4o mini
To solve the system of equations given by:
1. \( y = -4x - 2 \)
2. \( y = \frac{1}{2}x - 2 \)
we can set the two equations equal to each other since they both equal \( y \):
\[
-4x - 2 = \frac{1}{2}x - 2
\]
Now, let's solve for \( x \):
1. Add 2 to both sides:
\[
-4x = \frac{1}{2}x
\]
2. To eliminate the fraction, let's multiply every term by 2:
\[
-8x = x
\]
3. Now, add \( 8x \) to both sides:
\[
0 = 9x
\]
4. Divide by 9:
\[
x = 0
\]
Now that we have \( x \), we can substitute it back into either equation to find \( y \). Using the second equation:
\[
y = \frac{1}{2}(0) - 2 = -2
\]
Thus, the solution to the system of equations is:
\[
(x, y) = (0, -2)
\]
To summarize, the solution to the system of equations is \( (0, -2) \).
1. \( y = -4x - 2 \)
2. \( y = \frac{1}{2}x - 2 \)
we can set the two equations equal to each other since they both equal \( y \):
\[
-4x - 2 = \frac{1}{2}x - 2
\]
Now, let's solve for \( x \):
1. Add 2 to both sides:
\[
-4x = \frac{1}{2}x
\]
2. To eliminate the fraction, let's multiply every term by 2:
\[
-8x = x
\]
3. Now, add \( 8x \) to both sides:
\[
0 = 9x
\]
4. Divide by 9:
\[
x = 0
\]
Now that we have \( x \), we can substitute it back into either equation to find \( y \). Using the second equation:
\[
y = \frac{1}{2}(0) - 2 = -2
\]
Thus, the solution to the system of equations is:
\[
(x, y) = (0, -2)
\]
To summarize, the solution to the system of equations is \( (0, -2) \).
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