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scZoUnD [109]
4 years ago
6

Square root 3x+7 + square root x+2 = 1 ...?

Mathematics
1 answer:
hodyreva [135]4 years ago
3 0
The answer to your question above, I will just illustrate it down.
<span>sqrt(3 x +7 ) = 1 - sqrt(x + 2 )
</span><span>square both sides:
3x + 7 = 1 -2sqrt(x = 2) + x + 2
Then it would become like this,
</span><span>2x + 4 = -2sqrt( x + 2 ) 
</span>Divide both sides by -2 to eliminate the -2 on the left side with sqrt.
Then <span>square both sides:
x^2 + 4x + 4 = x + 2
</span><span>x^2 + 3x + 2 = 0
</span><span>(x + 2) (x + 1) = 0
</span><span>x=-2, -1 there is no sqrt for-1
</span>so the answer is -2
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Use exact numbers. Complete the equation of the line through ( 2 , 1 ) (2,1)left parenthesis, 2, comma, 1, right parenthesis and
Anastasy [175]

Answer:

y = - 3x + 7

Step-by-step explanation:

The equation of a line in slope- intercept form is

y = mx + c ( m is the slope and c the y- intercept )

Calculate m using the slope formula

m = \frac{y_{2}-y_{1}  }{x_{2}-x_{1}  }

with (x₁, y₁ ) = (2, 1) and (x₂, y₂ ) = (5, - 8)

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To find c substitute either of the 2 points into the partial equation

Using (2, 1) , then

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4 years ago
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Answer:

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For a given function f(x), the average rate of change in a given interval [a, b] is given by:

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A) we have g(x) = 14*x + 6, and the interval [0, 5], the average rate of change is:

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is:

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6 0
3 years ago
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