What is the equation of this graph? coordinates: (1,7), (0,0),(-1,-7)
2 answers:
Answer:
y=7x
Step-by-step explanation:
y=ax+b
put (x,y)=(1,7), (0,0),(-1,-7)
when (0,0)
0=b
y=ax, put (1,7)
a=7
*If you want to check again, also put (-1,-7)
So, y=ax+b equal y= 7x
Answer:
y = 7x
Step-by-step explanation:
Slope: (7-0)/(1-0) = 7
y-intercept is obviously 0
y = 7x + 0
y = 7x
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