If the equation of a line is written in the 
form, 
is the y-intercept.
The y-intercept is -1. The line crosses the y-axis at the point (0,-1).
The y-intercept is -1. The line crosses the y-axis at the point (0,-1).
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1 answer:
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Answer:
x = 9
Step-by-step explanation:
The outer and inner triangles are similar, thus the ratios of corresponding sides are equal, that is
=
, that is
=
( cross- multiply )
12(x - 3) = 8x
12x - 36 = 8x ( subtract 8x from both sides )
4x - 36 = 0 ( add 36 to both sides )
4x = 36 ( divide both sides by 4 )
x = 9