a) the general point-slope equation for a line?

$y=mx+b$
$y=y_1+m(x-x_1)$

b) the general slope-intercept equation for a line?
$y=mx+b$
$y=y_1+m(x-x_1)$

c) an equation of a line passing through the point $(8.500,7.200)$ and parallel to $y = 8.300 x + 7.300$?
$y=$

d) the slope of a line perpendicular to $y= 7.900(x + 2.500) + 4.600$?
Slope$=$

e) an equation of a line perpendicular to the line defined by $(-1.900,-0.800)$ and $(8.000,4.800)$ and passing through the point $(-1.900,-0.800)$?
$y=$

f) the slope-intercept equation for a line with $m= 4.600$ and $y$-intercept $(0, 3.300)$?
$y=$

g) an equation of the horizontal line passing through $(6.100, -6.800)$?
$y=$

h) an equation of the vertical line passing through $(7.100,-6.900)$?
$x=$

i) the linear function $h$ such that $h(-6.400)=-7.000$ and $h(-9.300)=0.900$?
$h=$

Determine if the following pairs of lines are parallel, perpendicular, or neither.

j) $y= -3.3+1x$ and $y = 7.6+\left(-1\right)x$
? Parallel Perpendicular Neither

k) $y=5.6+\left(-7.8\right)x$ and $y=3+\left(-7.8\right)x$
? Parallel Perpendicular Neither

l) $y = 9.500$ and $x = 9.200$
? Parallel Perpendicular Neither

Hint: