please explain!
i will mark brainliest!

Answer:
correct equation:
y = 0.5x - 6
Step-by-step explanation:
in Tahlia's answer (y = 0.5x), she got the correct gradient (0.5) but didn't specify the y intercept (-6). this is important as it shows where the line crosses over the y axis (vertical).
the equation for this line is:
y = 0.5x - 6
I hope this was helpful :-)