# Systems of Linear Equations

### Quizzes

1. |
A system of equations consisting of two parallel lines is→consistent and dependent. |

2. |
The system of equations is →consistent and dependent. |

3. |
The system of equations is →hungry. When's dinner? |

4. |
Which graph best represents the following situation? Mrs. Smith had 200 catnip mice. She gave two catnip mice to each cat she met, until she had only 76 mice left. → |

5. |
Set up an equation describing the following situation, using x for the independent variable and y for the dependent variable: Betty wants to start a business selling cookies. She's friends with Loren and Marisol from our earlier example, so she already knows she's going to hit the ground running. She will need $17,000 to convert her kitchen into a commercial kitchen capable of handling large-scale cookie production. After converting her kitchen, she will spend $2,000 per year on ingredients and other supplies, and will make $6,000 per year from cookie sales. →x = 4000y + 17000 |

6. |
Deanna sells apples for a local shopkeeper. The shopkeeper gives her $2 per day for showing up to work, and $0.25 for each apple she sells. How many apples does Deanna need to sell to be paid $6.75 in one day? |

7. |
Ten days ago, some scientists started running an experiment where they linearly increase the temperature of a particular liquid over a long period of time. It's a top secret experiment, so please don't blab about it to your friends. Anyway, when the experiment started, the temperature of the liquid was -12° F. Today the temperature of the liquid is 3° F, and in ten more days the temperature of the liquid will be 18° F. How do they know it will be 18° F in ten days? Oh yeah...they also invented a time machine. After how many days from the start of the experiment was the temperature of the liquid equal to 0° F? |

8. |
Which system of equations best describes the following situation? On Sunday, Grandma Betty was given two dozen get-well cards. Grandma Florence was given six get-well cards every day, starting on Sunday. → |