Write the equation of the line that passes through the points (-3, -2) and (0, -3)
2 answers:
Answer:
Step-by-step explanation:
One of the given points is the y-intercept. That means you can write the equation in slope-intercept form once you have found the slope.
m = slope = (change in y)/(change in x) = (y2 -y1)/(x2 -x1)
= (-3 -(-2))/(0 -(-3)) = -1/3
The slope-intercept form for slope m and intercept b is ...
y = mx +b
For slope -1/3 and intercept -3, the equation is ...
y = -1/3x -3
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Answer:
Scale factor =
Perimeter ratio = 4 : 9
Surface area ratio = 16 : 81
Volume ratio = 64 : 729
Step-by-step explanation:
Volume ratio =
=
=
= 64 : 729
Scale factor =
=
=
Perimeter ratio = Scale factor
=
= 4 : 9
Surface area ratio = (Scale factor)²
=
=
= 16 : 81