mckleinrivero
24.02.2022 •
Mathematics
A line crosses the y-axis at (0,4) and has a slope of -2. Find an equation for this line.
A)y = 2x + 4
B)y = -2x + 4
C)y = -2x - 4
D)y = -4x + 2
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Ответ:
Ответ:
x = 0
distribute parenthesis on both sides of the equation and simplify
3x - 7 - 4x = 10x - 8 + 1
- x - 7 = 10x - 7 ( subtract 10x from both sides )
- 11x - 7 = - 7 ( add 7 to both sides )
- 11x = 0 ( divide both sides by - 11 )
x = 0