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Sloan [31]
3 years ago
11

Solve the equation. S^2+ 7s = - 20

Mathematics
1 answer:
nataly862011 [7]3 years ago
8 0

this is called the quadratic equation.

Either use quadratic formula to find S or The PSF

Product, sum, factor box.

Quadratic formula is : (-b±√(b²-4ac))/(2a) .

we'll use the quadratic formula because psf ain't possible.

-7± √(49-80)/2

(-7±-5.57)/2

s= 0.715 or 6.285

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DedPeter [7]

Answer: <em>y = 2x − 4</em>

The correct answer is <em>B)</em> <em>y = 2x − 4</em>

Step-by-step explanation:

<u>Move all terms that don't contain y to the right side and solve:</u>

<em>y = −4 + 2x</em>

<u>Then reorder −4 and 2x:</u>

<em>y = 2x − 4</em>

<u>Final answer is:</u>

<em>B) y = 2x − 4</em>

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2 years ago
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Doss [256]

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Step-by-step explanation:

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shepuryov [24]
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3 years ago
Write the common rule to describe the translation using coordinate notation.
UNO [17]

The common rule is (x - 1, y + 3) can be used to describe the translation.

Step-by-step explanation:

Step 1:

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In order to write the rule for translation from J to J^{1}, we subtract the x coordinate of J from J^{1} and subtract the y coordinate of J from J^{1}.

The x coordinate = -4-(-3) = -4+3 = -1.

The y coordinate = -1-(-4) = -1+4 = 3.

Step 2:

So from the calculations, we get that the x coordinate is subtracted by 1 i.e. x-1 and the y coordinate is increased by 3 i.e. y+3.

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yKpoI14uk [10]

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