All but the first statement are true.
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In the equation y=kx, "slope" is the coefficient of x, thus y=-3x.
Given a polynomial p(x) with leading coefficient
and solutions
, we have

That's why we have to find the solutions first. We complete the square by adding 3 to both sides:

From here, we continue by taking the square root of both sides:

So, the two solutions are

Which yields the factorization

They are both a divisible by 7
Answer:
x = -3
Step-by-step explanation:

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