$\backslash$table$[[712,709,707,703,704],[710,{706}_{?},704,700,702],[708,705,705,{697}_{?},700],[711,{709}_{?},705,696,694],[714,712,708,703,698],[-10,,,,]]$

Your Answers:

The slope for pixel a is: $16\mathrm{.}31$

Reminder:

$d\frac{z}{d}x$ is $-0\mathrm{.}25$

$d\frac{z}{d}x$ is ${0\mathrm{.}18}_{?}$

The slope for pixel b is: $11\mathrm{.}31$

The slope for pixel $c$ is:

ONLY SOLVE FOR PIXEL C$!!$