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alex41 [277]
3 years ago
15

​ −7x−2y=14 6x+6y=18 ​ Graph the system of equations.

Mathematics
1 answer:
Maurinko [17]3 years ago
3 0
X= -4
y= 7

you can multiply the top equation by 3, then both y's are cancelled or zeroed out. You add -21 and 6 to get -15x. Than you add 42 and 18 to get 60. So, -15x=60 and from there you do 60/-15 to get x=-4. Plug in what you got for x into any of the two equations to get y, which is 7.
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Jill is thinking of a number. Twenty less than one forth of the number is -45. Find Jill's number.
Bezzdna [24]

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The number is -100, Jill can think of something else, now.

Step-by-step explanation:

x = the number

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zimovet [89]

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B

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2 years ago
Algebra help - asymptotes
motikmotik

Find where the equation is undefined ( when the denominator is equal to 0.

Since they say x = 5, replace x in the equation see which ones equal o:

5-5 = 0


So we know the denominator has to be (x-5), this now narrows it down to the first two answers.


To find the horizontal asymptote, we need to look at an equation for a rational function: R(x) = ax^n / bx^m, where n is the degree of the numerator and m is the degree of the denominator.


In the equations given neither the numerator or denominators have an exponent ( neither are raised to a power)

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