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# Module 2

### Graphing and Writing Linear Functions

Question | Answer |
---|---|

SOLVE f(x)=-6x | Solve for y values using some x values (0,1,2) -ex: if x=-2, then y=12 [(-6)(-2)] Proceed to plot these points on a graph as a linear function SOLUTION (0,0) (1,-6) (2,-12) |

SOLVE slope=-2, through (-3,5) | use the equation y-y1=m(x-x1) [m=slope] y-5=-2(x+3) distribute y-5=-2x-6 get y on one side SOLUTION f(x)=-2x-1 |

If a graph is a line, and it passes the vertical line test, then it is safe to say that it is a _______ _______ | Linear Function |

What is the equation for finding slope when given 2 points on a graph? | m=(y2-y1)/(x2-x1) When given 2 points -ex: (x1,y1) (x2,y2) |

SOLVE for slope [m] (-4,-3) (-6,-6) | m=(y2-y1)/(x2-x1) m=(-6+3)/(-6+4) SOLUTION m=-1/2 |

Created by:
griffkirby