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Mariulka [41]
3 years ago
11

X2+9x+8 factor each trinomial

Mathematics
1 answer:
Lana71 [14]3 years ago
3 0

Answer:

(x+1)(x+8)

Step-by-step explanation:

x^2+9x+8

You just need to multiply the first number to the last. (a·c) In this case *a* is jus a positive 1. Then, you just find a product to the result you got from (a·c) that when it is added together the result is the same as the one you have as ¨b¨.

Also the sign betwee b and c tells you that if it is positive both of your products are going to have the same sign, and if it is negative it means that they are going to be different,(one negative and one positive). If the sign is positive then go to the sign between a and b, this tells you what sign your factors will have.

<h2>x^2+9x+8</h2>

a·c=8

<u>Product           Sum</u>

1,8                      8

2,4                     6

ect...                 ect...

x^2+x+8x+8

x(x+1) 8(x+1)

 (x+1)(x+8)

<u />

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Answer:

The patio is a rectangle

Step-by-step explanation:

Since it is given that we have 2 pairs of two parallel sides, which implies 4 sides, this thus shows that the shape is a quadrilateral since, only quadrilaterals have 4 sides. Also, 2 pairs of sides are the same length, and are parallel, it shows that the shape is likely a rectangle.

Finally, there are 4 square corners on the shape which implies 4 right angles. This confirms that our shape is a rectangle since only a rectangle has 2 pairs of two parallel sides and 2 pairs of sides that are the same length there are 4 square corners.

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Lunna [17]

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Step-by-step explanation:

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Suppose Y varies directly with X and Y equals 10 when X equals -3 what direct variation equation relates XNY what is the value o
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Answer:

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Step-by-step explanation:

If Y varies directly as X, then;

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