Points Possible: 1, Points Correct: 0 Given the equation y = x + 9, what is the y -intercept?
1 answer:
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Answer:
<em></em><em></em>
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Step-by-step explanation:
Required
Show that:
To make the proof easier, I've added a screenshot of the triangle.
We make use of alternate angles to complete the proof.
In the attached triangle, the two angles beside are alternate to
and
i.e.
Using angle on a straight line theorem, we have:
Substitute values for (1) and (2)
Rewrite as:
<em></em><em> -- proved</em>
