Answer: 3y + 10z - 13
Step-by-step explanation:
<span>s=1/2at^2
2s = at^2
t^2 = 2s/a
t = + square root (2s/a) and </span>t = - square root (2s/a)
or
+ square root (2sa)
t = ------------------------------
a
and
- square root (2sa)
t = ------------------------------
a
A line parallel to the x-axis is horizontal and thus any point on the line has a fixed y-coordinate. So the given line that passes through (-5, 4) has equation y = 4 with slope 0.
A line perpendicular to this one would be vertical. Its slope would be undefined (or infinite, depending on convention), so that any point on it has a fixed x-coordinate. If this line also passes through (-5, 4), then its equation would be x = -5.
The slope for that is again, change in y over change in x.
(6-4)/(4-3) = 2/1
The slope would be 2
We have points (-1,3),(0,1),(1,3) so we can set up a system of equations for the general form ax^2+bx+c...
a+b+c=3, 0a+0b+c=1, a-b+c=3 getting differences
a+b=2, -a+b=-2 getting the sum
2b=0, b=0, making a+b=2 become:
a+0=2, a=2, making a+b+c=3 become:
2+0+c=3, c=1 so
y=2x^2+1
