The equation of a circle:
(h, k) - center
r - radius
Look at the picture:
center: (4, -2) → h = 4, k = -2
radius: r= 5
Substitute:
A DISASTER RELIEF GROUP DELIVERS 395 FIRST AID KITS. THE GROUP DELIVERS AN EQUAL NUMBER OF FIRST AID KITS TO 3 COUNTRIES. HOW MA
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The slope-intercept form:
m - slope
b - y-intercept
The formula of a slope:
We have the points (-3, 1) and (2, -4). Substitute:
Therefore we have the equation of a line
Put the coordinates of the point (-3, 1) to the equation:
<em>subtract 3 from both sides</em>