# TSI Math: Using Intercepts to Find the Slope of a Line

Line A has an x-intercept of -4 and a y-intercept of 8. What is its slope?

Elementary Algebra and Functions | Linear Equations, Inequalities, and Systems |

Mathematics and Statistics Assessment | Linear Equations, Inequalities, and Systems |

Product Type | TSI |

TSI | Mathematics and Statistics Assessment TSI Math TSI Mathematics |

TSI Math | Elementary Algebra and Functions |

TSI Mathematics | Elementary Algebra and Functions |

Test Prep | TSI |

### Transcript

two points the slope is the difference of the y

co ordinates divided by the difference of the x coordinates

Right The rise over the run or the y two

minus y wan over x to minus x one Okay

one problem though we don't have the coordinates yet finer

detail but we kind of do They're being sneaky and

x intercept is located on the x axis It intercepts

the x axis right there So it must have a

y coordinate of zero right it's going nowhere just inside

of that thing So x intercept of negative four has

the coordinates Negative for and then zero because the y

thing use zero similarly Ah why Intercept is located on

the y axis which means it is an x coordinate

of zero for second point zero come eight We'll plug

these coordinates into the slope equation there like this And

we got eight month zero over zero minus negative for

yes that's tricky So it's eight over four We simplify

it and line a has a slope of to for 00:01:18.488 --> [endTime] the answers as in we're done