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Inessa05 [86]
3 years ago
7

What are the zeros of the graphed function y = 1/3 (x + 3)(x + 5)?

Mathematics
1 answer:
Darya [45]3 years ago
5 0

One factor will be zero, hence y will be zero, when x=-3.

The other factor will be zero, hence y will be zero, when x=-5.

The zeros of the function are x ∈ {-5, -3}.

_____

This solution makes use of the "zero product rule," which states a product is zero if and only if one or more factors is zero.

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3 years ago
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DochEvi [55]

In the future, please post the full problem with all included instructions. After doing a quick internet search, I found your problem listed somewhere else. It mentions two parts (a) and (b)

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The initial height of the candle is the y intercept b value. So we have m = -2 and b = 9 lead us from y = mx+b to y = -2x+9

----------------------------------------------------------------

Part (b) then asks you to graph the equation. Because this is a linear equation, it produces a straight line. We only need 2 points at minimum to graph any line. Let's plot (0,9) and (1,7) on the same xy grid. These two points are the first two rows of the table. Plot those two points and draw a straight line through them. The graph is below

7 0
2 years ago
Please help me please
elena55 [62]

Answer:

The numbers in the second row of each collumn is increasing by 4 every time the numbers in the first row increase by 1.

6 0
3 years ago
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