12. Find the equation that passes through points (1,2) and (3,4).
a.y=x+1
b. y = x+3
c. y=x-3 d.y=x-1
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12. Find the equation that passes through points (1,2) and (3,4).
a.y=x+1
b. y = x+3
c. y=x-3 d.y=x-1
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Answer:
letter A
Step-by-step explanation:
first find the slope
m=y2-y1/x2-x1
m=4-2/3-1
m=2/2
m=1
then find the y-intercept
y=mxtb
y=(1)xtb (substitute the value of m which is 1)
2=(1)(1)+b (substitute the point 1,2)
2=1+b (simplify)
2-1=b
1=b
substitute the slope and y-intercept
y=mxtb
y=x+1
pa-brainliest po!!