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slavikrds [6]
3 years ago
13

Find the zeros of the function y=x^2-1

Mathematics
2 answers:
LenKa [72]3 years ago
8 0
-1 and 1 are the zeros
Sergio [31]3 years ago
5 0

Answer:

-1 and 1 are the zeros

Step-by-step explanation:

Graph it and youll see that the curve touches the x axis at (-1,0) and (1,0)

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In the circle below, O is the center and mĞ= 128° What is the measure of angle HIG?​
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Answer:

26 degrees.

Step-by-step explanation:

From the figure it is clear that HI is the diameter and acr(GI)=128^{\circ}. So,

\angle GOI=128^{\circ}

\angle GOI+\angle GOH=180^{\circ}          (linear pair)

128^{\circ}+\angle GOH=180^{\circ}

\angle GOH=180^{\circ}-128^{\circ}

\angle GOH=52^{\circ}

Using central angle theorem of a circle, we get

\angle HIG=\dfrac{\angle GOH}{2}

\angle HIG=\dfrac{52^{\circ}}{2}

\angle HIG=26^{\circ}

Therefore, the measure of angle HIG is 26 degrees.

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