JailynneJ597885 JailynneJ597885
  • 03-11-2022
  • Mathematics
contestada

Which lines have a y-intercept of 5? x - 3 y = 154x - 8y = -402x - y = 106x + 4y = 20x - y = 5y = 5x - 1

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EllalynnK151503 EllalynnK151503
  • 03-11-2022
[tex]\begin{gathered} y-\text{intercept ocurrs when x=0. By substituying x=0 in all the equations, one has:} \\ -3y=15\Rightarrow y=\frac{15}{-3}\Rightarrow y=-5 \\ -8y=-40\Rightarrow y=\frac{-40}{-8}\Rightarrow y=5 \\ -y=10\Rightarrow y=-10 \\ 4y=20\Rightarrow y=\frac{20}{4}\Rightarrow y=5 \\ -y=5\Rightarrow y=-5 \\ y=-1 \end{gathered}[/tex]

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