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otez555 [7]
3 years ago
8

Which of the following graphs represents the equation below?: -7x - ly = 9

Mathematics
1 answer:
Butoxors [25]3 years ago
8 0
I'd say it's the second one because it's touching -7x and also -1y like it says in the equation
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72 + 8x + 18x = 36x
ArbitrLikvidat [17]
72 + 8x + 18x = 36x
 

72+26x=36x
 

72=36x-26x
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Answer:

2/37

Step-by-step explanation:

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Express x^2+8x+15 in the form (x+a)^2-b
IRINA_888 [86]
<h2>'(x+4)^2-1' in the form of (x+a)^2 - b.</h2>

Step-by-step explanation:

We have,

x^2 + 8x + 15

To express x^2 + 8x + 15 in the form of  (x+a)^2 - b = ?

∴ x^2 + 8x + 15

Adding and subtracting 1, we get

= x^2 + 8x + 15 + 1 - 1

= x^2 + 8x + 16 - 1

= x^2 + 2(x)(4) + 4^{2} - 1

Using the algebraic identity,

(x+y)^{2}=x^{2} +2xy+y^{2}

= (x+4)^2-1

Thus, (x+4)^2-1 in the form of (x+a)^2 - b.

7 0
4 years ago
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