Rewrite the equation 4x + 2y = 8 in slope-intercept form.

Mathematics

2 answers:

zheka24 [161]3 years ago

6 0

The answer is y= 2x +4

lbvjy [14]3 years ago

3 0

1) move the x to the side with the whole number
* remember the form of y = mx + b
* when you move it to the other side, the sign changes… so watch out for signs
[ 2y = -4x + 8 ]
2) divide everything by the number that’s with y since you wanna isolate for y… this case it’s 2
[ y = -2x + 4 ]

:)

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Triss [41]

Answer:

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Step-by-step explanation:

For the function $f(x)=-\dfrac{1}{2}x-5,$ find x-intercept and y-intercept:

1. when y=0, then

$0=-\dfrac{1}{2}x-5,\\ \\\dfrac{1}{2}x=-5,\\ \\x=-10;$

2. when x=0, then

$y=-\dfrac{1}{2}\cdot 0-5,\\ \\y=-5.$

You get two points (-10, 0) and (0,-5). Plot them on the coordinate plane and connect, obtained line is the graph of the linear function $f(x)=-\dfrac{1}{2}x-5.$