need help with 9 & 10

Answer:
Step-by-step explanation:
9) because the slope is -2/1 and the y-intercept you can see is -5, hence, the slope-intercept form of equation would be :
y = mx+b, where m is the slope, and b is the y-intercept
y= -2x -5
10) m= 3/2
b= -3
Hence, y=mx+b
y = (3/2)x -3
Hope this helps!
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