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Doss [256]
3 years ago
15

Write the expression as a polynomial, using the corresponding formula for special product:(x+y)(−x–y)

Mathematics
1 answer:
bearhunter [10]3 years ago
8 0

Answer:

-x^{2} -2xy-y^{2}

Step-by-step explanation:

(x+y)(−x–y) = (-x-y)(x+y) = -(x+y)(x+y)=-(x+y)² = -(x²+2xy+y²) = -x²-2xy-y²

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The graph of a function is shown below. Which ordered pair best represents the location of the y intercept
Wittaler [7]
When a question is asking you for the y-intercept based on a graph, all you have to do is look to see at what point does the function cross/intersect the y-axis. The x-value will always be zero in a y-intercept. By looking at the graph you see that the function crosses the y-axis at the point (0, -1), which is your answer.

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3 years ago
Simplify 2x + x<br> o 2x2<br> 3x<br> O 3x²
DochEvi [55]

Answer:

Step-by-step explanation:

Step-1 : Multiply the coefficient of the first term by the constant   2 • 2 = 4  

Step-2 : Find two factors of  4  whose sum equals the coefficient of the middle term, which is   3 .

     -4    +    -1    =    -5  

     -2    +    -2    =    -4  

     -1    +    -4    =    -5  

     1    +    4    =    5  

     2    +    2    =    4  

     4    +    1    =    5  

Observation : No two such factors can be found !!

4 0
3 years ago
In 7 hours, Goran reads 56 chapters of a book.<br> What is his rate in chapters per hour?
tensa zangetsu [6.8K]

Answer:

His rate in chapters per hour is 8 chapters per hour

Step-by-step explanation:

If you divide 56 by 7 you get 8 also if you want to check to be sure you can just multiply 8 and 7 or 7 and 8

5 0
3 years ago
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