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Dominik [7]
3 years ago
15

what is an equation for the line that passes through (-1,-4) and (1,4)? Write the equation in slope-intercept form.

Mathematics
1 answer:
hichkok12 [17]3 years ago
7 0
To find the slope use the formula Y2-Y1 --------- X2-X1 (-1,-4) (1,4) 4- -4 = 8 ------------- 1- -1 = 2 8/2=4 This will be your slope Y=4x Now we must figure out the y-intercept using the formula Y-y1=slope(x-x1) Y- -4= 4(x- -1) Y+4= 4x + 4 The 4 distributes to the x and -1 Y=4x +4 -4 Y= 4x This is your answer in slope intercept form. P.S if you have a number minus a negative number it makes it a positive number
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