Equation of a line is in the form y = mx+c, where m is the gradient and c is the y-intercept.
First step is to find the gradient.
m = (y2-y1)/(x2-x1)
= ( 5- -8)/(8-4) = 13/4
We have y = (13/4)x + c
Now we replace one of the coordinates to find c. Let’s replace (4,-8)
We have: -8 = (13/4)*4 + c
-8=13+c
c=-8-13= -21
Therefore, equation of line is:
y = (13/4)x - 21
Answer:
3
Step-by-step explanation:
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Answer:
8
Step-by-step explanation:

× 8
= 3
In algebra:
× y = 3
y = 3 ÷ 
y = 8
Answer:
Step-by-step explanation:
X=(6,-2)
Y=(0,5)
m
Because GH bisects FGI, FGH=HGI
2x+1=3x-9
x=10°
so the measure of HGI is 21°