Find the X and Y intercepts (4,3) (1,6
Mathematics
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Find the X and Y intercepts (4,3) (1,6
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1. User Answers apologiabiology
the x intercept is when the line passes through the x axis or when y=0
the y intercept is when the line passes through the y axis or when x=0
so we need to find the equation in slope intercept form or y=mx+b where m=slope or rise over run and b is y intercept
we plot the points and find that the slope is 9/5 so
y=9/5x+b
we subsitute one of the values
3=9/5(4)+b
3=36/5+b
36/5=7 1/5
3=7 1/5+b
b3=7 1/5
b=4 1/5
the equation is y=9/5x4 and 1/5 or y=9/5x21/5
x intercept
y=0
0=9/5x21/5
21/5=9/5x
multiply both sides by 5/9
65/45=1/1x
x=21/9=7/3
x intercept=7/3
y intercept
x=0
y=9/5(0)21/5
y=21/5
y intercept=21/5