Which set of coordinates satisfies the system of equations y = x − 3 and y = -2x + 1?

Mathematics

1 answer:

Svetlanka [38]2 years ago

7 0

Answer:

Step-by-step explanation:

The first equation has a y-intercept of -3. Only one line does.

The second equation has a y-intercept of +1. Only one line does.

The point of intersection of those two lines is the point labeled C. That has coordinates that satisfy both equations. (The point is on both lines.)

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$\bf \qquad \textit{parabola vertex form}\\\\\begin{array}{llll}
\boxed{y=a(x-{{ h}})^2+{{ k}}}\\\\
x=a(y-{{ k}})^2+{{ h}}
\end{array}\qquad\qquad vertex\ ({{ h}},{{ k}})\\\\
-------------------------------\\\\
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\begin{cases}
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\\\\\\
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\\\\\\
\textit{we also know that }
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