Please answer part 1 and part 2, will give brainliest. (extra points too)
1 answer:
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check the picture below.
now, if we split that triangle like so with that red line, we can use the right-triangle there, to get θ.
Answer:
(2,-9)
Step-by-step explanation:
Set the quadratic equal to zero.
Factor
Set each of these factors to zero
and
and
Plot the midpoint of the two values.
So the middle term is 2 and the other terms are 5 and -1.
Now the vertex is
So the vertex is
(2,-9)