3 years ago

Which ordered pairs are a solution to the equation y=-4x-1

Mathematics

2 answers:

Afina-wow [57]3 years ago

8 0

(0,-1),(1,-5),(2,-9)

Viktor [21]3 years ago

3 0

(0,-1),(1,-5),(2,-9)

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ratelena [41]

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$\large\boxed{y=2(x+3)^2-6}$

Step-by-step explanation:

The vertex form of a parabola f(x) = ax² + bx + c:

$y=a(x-h)^2+k$

(h, k) - vertex

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We have the equation:

$y=2x^2+12x+14\\\\a=2,\ b=12,\ c=14\\\\h=\dfrac{-12}{2(2)}=\dfrac{-12}{4}=-3\\\\k=f(-3)=2(-3)^2+12(-3)+12=2(9)-36+12=18-36+12=-6$

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