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mitch729
13.12.2021 •
Mathematics
Need some help with this one.
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Ответ:
y = -3x + 7
Step-by-step explanation:
Ответ:
y = -3x + 7 (above)
Step-by-step explanation:
To add on, the person above me is correct. The equation of the line is in mx + b, where m is slope and b is the y-intercept.
We see the line intercepts the y axis at (0,7). Therefore the equation is y= mx +7
Now we look for m, the slope. If you may remember slope is also change in y over change in x, or rise/run. If you look at the graph, for each unit to the right, the line drops 3 units(it goes down, so negative). Therefore the slipe would be -3/1, or -3.
Plugging that in,
y = -3x + 7
Ответ:
D
Step-by-step explanation:
Because If you add together to eliminate x you multiply the top by 7 and the bottom by 5 and you get d and that cancles out x. Sorry bad at explaining.