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{{ printedBook.courseTrack.name }} {{ printedBook.name }} If two lines are parallel it means that they have the same slope. Keep in mind that if there is no value in front of the $x$-term, there is an implicit one, and if there is a negative sign, it belongs to the $m$-value.

Line | Slope |
---|---|

$y_{1}=4x+3$ | $4$ |

$y_{2}=x+2$ | $1$ |

$y_{3}=3+x$ | $1$ |

$y_{4}=1−4x$ | $-4$ |

$y_{5}=4+4x$ | $4$ |

$y_{6}=-x+5$ | $-1$ |

In the table above, you can see that there are two lines with an $m$-value of $4$ and two with an $m$-value of $1.$ The lines $y_{1}=4x+3andy_{5}=4+4x$ are parallel to each other, and the lines $y_{2}=x+2andy_{3}=3+x$ are also parallel to each other.