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50 POINTS AND BRAINLIST PRIZE
A line goes through the points (7,8) and (3, 10).
a) What is the slope of the line? Show your work.

b) Write the equation of the line in point-slope form. Show your work.

c) Write the equation of the line in slope-intercept form.

Respuesta :

remotecontrolbrain

(a) the slope is -1/2

Steps: slope = (8-10)/(7-3)=-2/4=-1/2

(b) Using the point (7,8):

y-8 = -1/2(x-7)

(c)

y = -1/2*x +7/2 + 8 = -1/2*x + 23/2:

[tex]y=-\frac{1}{2}x + \frac{23}{2}[/tex]

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