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3 years ago

HELP PLS I WILL MARK BRAINLIEST, DUE TODAYY 100 POINTS!!!!!!!!!

Mathematics

1 answer:

Flauer [41]3 years ago

5 0

Answer:

Y1 intercept = 2

(0,2) (3,-7)

m= (-7 - 2) / (3-0) =-9/3 = - 3

Then y = - 3x + 2

Y2 intercept = - 8

(0,-8) (3,-7)

m = (-7 - - 8) / (3-0) = 1/3

Then y= (1/3)x-8

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3 years ago

2^2x+2 *5^x-1=8^x*5^2x

Liula [17]

Answer:

The solution will be "x = 2 and x = -1".

Step-by-step explanation:

The given equation is:

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On solving " $8^x$ ", we get

⇒ $2^{2x+2}\times 5^{x-1}=(2^3)^x\times 5^{2x}$

As we know, if the base are same then their powers will be added together.

⇒ $2x+2=3x$ ...(equation 1)

⇒ $x-1=2x$ ...(equation 2)

From equation 1, we get

⇒ $2=3x-2x$

⇒ $2=x \ i.e., x =2$

From equation 2, we get

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⇒ $-1=x \ i.e., x=-1$

So that the correct answer will be "x = 2" and "x = -1".

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