3 years ago

Write an equation for the line that is parallel to y =-2x and passes through the point (0, -7).

Mathematics

1 answer:

crimeas [40]3 years ago

4 0

Answer:

y=-2x-7

Step-by-step explanation:

y=-2x

y-y1=m(x-x1)

y-(-7)=-2(x-0)

y+7=-2(x)

y+7=-2x

y=-2x-7

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|3n – 6| = 6 absolute value equation

ZanzabumX [31]

Answer:

$n=\{0,\: 4\}$

Step-by-step explanation:

$|3n-6| = 6\\\therefore 3n - 6 = \pm 6\\\therefore 3n = 6 \pm 6\\\therefore 3n =6+6\:\: or\:\: 3n = 6-6\\\therefore 3n =12\:\: or \:\:3n = 0\\\\\therefore n =\frac{12}{3}\:\: or\:\: n =\frac{0}{3}\\\\\therefore n = 4 \:\: or\:\: n = 0\\\\\therefore n=\{0,\: 4\}\\$