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Colt1911 [192]
4 years ago
8

X^2 - 25 = (x + 5) (?)

Mathematics
1 answer:
mixas84 [53]4 years ago
5 0

Answer:

(?) = (x-5)

Step-by-step explanation:

Use difference of squares:

x^2-25=(x+5)(x-5)

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Write the equation of the line that passes through the points
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Answer:

y+5=2(x-3) or y+9=2(x-1)

Step-by-step explanation:

step 1

Find the slope of the line

The formula to calculate the slope between two points is equal to

m=\frac{y2-y1}{x2-x1}

we have the ordered pairs

(3,-5) and (1,-9)

substitute the values

m=\frac{-9+5}{1-3}

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step 2

Find the equation in point slope form

y-y1=m(x-x1)

Analyze two cases

<em>First case</em>

we have

m=2

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substitute

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<em>Second case</em>

we have

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substitute

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Note: The equation of the line in point slope form varies according to the point you choose, in contrast to the slope-intercept form

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3 years ago
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Luba_88 [7]
I believe the correct answer would be 5,1,3 :)
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Step-by-step explanation:

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