Who is the queen???? brainliest if u get it right
1 answer:
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Question:
Here are two points: (-3,4), (1,7). What is the slope of the line between them?
Solution:
The slope-intercept form of a line is given by the following equation:
y = mx + b
where m is the slope of the line, and b is the y-coordinate of the y-intercept. Now, By definition, the slope of the line that passes through two points (X1,Y1) and (X2,Y2) is:
in our case, we have that:
(X1, Y1) = (-3,4)
(X2,Y2) = (1,7)
Replacing these points in the slope equation we obtain:
then, the equation of the given line is:
Now, to find b, replace any point (x,y) of the line, in the above equation. For example, take the point (x,y) = (1,7) and replace it on the above equation:
this is equivalent to:
solve for b:
thus, we can conclude that the equation of this line is:
And the corresponding graph is:
Then, the correct answer is: A
