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stealth61 [152]
3 years ago
14

NEED HELP!!!!!!!!!!!!!

Mathematics
1 answer:
worty [1.4K]3 years ago
6 0
Hope this helps!! I just distributed when needed and solved for the unknown variable

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[ 1 ] check whether -3 and 3 are the zeroes of the polynomial x² - 9.
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Answer:

<h3>#1</h3>
  • x² - 9 = 0
  • x² = 9
  • x = ± √9
  • x = ± 3

Yes, -3 and 3 are zeroes of this polynomial

<h3>#2</h3>

<em>See attached graphs</em>

Zero's of a polynomial are the intersection of the graph with the x-axis.

They include coordinates as (x, 0), so the x-coordinates are zero's.

The attached shows the zero's.

<h3>#3</h3>

<em>See attached graphs</em>

Zero's of each polynomial are reflected in the graphs.

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