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marishachu [46]
3 years ago
14

On the coordinate plan, what is the distance between the points (−3, −7) and (−9, −7)?

Mathematics
2 answers:
Effectus [21]3 years ago
6 0

Answer:

the answer is 6

Step-by-step explanation:

let pt(i)= (-3,-7) and pt(i) =(-9,-7)

=(x1, y1) =(x2, y2)

form the formula

____________________

d=√(x2 - x1)² + (y2-y1)²

____________________

d=√ (-9 - -3)² + (-7 - -7)²

_________________

d=√ (-6)² + 0²

d=√36

d=6units

the distance is 6 units

jarptica [38.1K]3 years ago
5 0
6.....................
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<span>I note that this problem starts out with "Which is a factor of ... "  This implies that you were given several answer choices.  If that's the case, it's unfortunate that you haven't shared them.

I thought I'd try finding roots of this function using synthetic division.  See below:

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Please use " ^ " to denote exponentiation.  Thanks.

Possible zeros of this poly are factors of 35:  plus or minus 1, plus or minus 5, plus or minus 7.  Use synthetic division; determine whether or not there is a non-zero remainder in each case.  If none of these work, form rational divisors from 35 and 6 and try them:  5/6, 7/6, 1/6, etc.

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By graphing this function, I found that the graph crosses the x-axis at 7/2.  There is another root.

Using synth. div. to check whether or not 7/2 is a root:

         ___________________________
7/2   /   6    -21    -4    24    -35
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        ----------- ------------------------------
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Because the remainder is zero, 7/2 (or 3.5) is a root of the polynomial.  Thus, (x-3.5), or (x-7/2), is a factor.

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