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aminamuhammad11
17.07.2019 •
Mathematics
Find the equation of the line passing through the points (-2/3,1) and (-2,1/2). write the equation in standard form.
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Ответ:
To find the slope, m, we must find the 'rise over run,' or the difference in y divided by the difference in x. We do this by:
Therefore, the slope is 8/3.
To find b, we must plug in the slope and one point:
Therefore, b is 25/9, and the total equation is
Ответ:
x-intercept is the point where a line crosses the x-axis.
y-intercept is the point where a line crosses the y-axis.
(A)
Set y =0 to solve for x;
2x+1=0
⇒![x=-\frac{1}{2}](/tpl/images/0046/2304/2e63a.png)
x- intercept of the line is; (
, 0)
Set x= 0 to solve for y;
y=0+1=1
then, y-intercept is, (0,1).
(B)
y = -0.5x+1
Same process for B as we have done in (A);
x-intercept = (2,0)
y-intercept = (0,1)
(C)
y= -2x-1
x-intercept = (
, 0)
y-intercept = (0,-1)
(D)
y= -2x+1
x-intercept = (
, 0)
y-intercept = (0,1)
(E)
y =0.5x+1
x-intercept = (-2,0)
y-intercept = (0,1)
(F)
y = 2x-1
x-intercept = (
, 0)
y-intercept = (0,-1).
So the answer for this is shown in the attachment below;