AbbypiePink4942
28.01.2020 •
Mathematics
What is the slope of a line that is parallel to the line 2x + 4y = 16 ?
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Ответ:
-1/2
Step-by-step explanation:
In order to most easily see the slope, you must out the equation into slope-intercept form: y=mx+b
m- the slope
b- y-intercept
1. isolate the y (move all terms besides y and its coefficient to the other side of the equal sign) Make sure to flip the sign when switching sides 4y= -2x+16
2. Divide the equation by 4 in order to completely isolate a single y. 4/4 = 1 (so just y). 16/4=4. -2/4= -1/2
3. Final equation is y= -1/2x + 4. The slope is -1/2 because that represents the m in the equation.
If a line is parallel to another line, then they must have the same slope but different y- intercept; or else they would just be the same line
Ответ:
Step-by-step explanation:
we can't solve this because
there's no diagram