jessicaou2005
11.11.2019 •
Mathematics
Student found the slope of a line that passes through the points (1, 14)and (3, 4) to be 5. what mistake did she make?
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Ответ:
(1,14) & (3,4)
y2= 4
y1=14
x2=3
x1=1
So
(4-14)/(3-1) = -10/2 = -5
The answer should be negative instead of positive, she probably subtracted 4 from 14 instead.
Ответ:
6x+3h-1 hope this helps
Step-by-step explanation:
(f+g)(x)=f(x)+g(x)
=(3x+2)+(4-5x)
=3x+2+4-5x
=3x+5x+2+4
=-2x+6
(f-g)(x)=f(x)-g(x)
=(3x+2)(4-5x)
=3x+5x+2-4
=8x-2
(fxg)(x)=(f(x))(g(x))
=(3x+2)(4-5x)