What is the slope of the line that passes through the points (-9, 8) and (−21,10)
2 answers:
Answer:
<u>slope = -1/6</u>
Step-by-step explanation:
<em>To find the slope: </em>
<em>1) find the change in the y values and the change in the x values. </em>
change in y = 8 - 10 = -2
change in x = -9 + 21 = 12
<em>2) divide the change in y and the change in x</em>
<u>slope = -2/12 = -1/6</u>
Answer:
-1/6
Step-by-step explanation:
(10 - 8)/(-21 + 9)= 12/-12= -1
y - 8 = -1(x + 9)
y - 8 = -x - 9
y = -x - 1
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