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sierravick123owr441
14.11.2019 •
Mathematics
I'm
a line passes through the points (5, –7.5) and has a y-intercept 10.
which is a linear function in the form of y = mx + b for this line?
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Ответ:
Solution:
Need to find the equation of a line in form of![y = mx + b](/tpl/images/0373/5851/dc5b0.png)
Given that
Line is passing through point (5, –7.5) and y intercept of line = 10
y intercept is a point where line crosses the y axis.
In our case line have y intercept of 10, which means line crosses y axis at 10. Also at y axis, value of x is always 0.
So we can say that line passes through point (0, 10).
Now we can say that we need equation of line passing through (5, –7.5) and (0, 10).
Equation of line passing through point
and
is given by
In our case![x_{1}=5; y_{1}=-7.5; x_{2}=0; y_{2}=10](/tpl/images/0373/5851/d2a0c.png)
Substituting given value in (1) we get
Hence
form of line passing through (5, –7.5) and line having x y-intercept of 10 is
.
Ответ:
I think its A because there is not enough info for C
Step-by-step explanation: