## Chapter 9 review- questions 7, 8, 9, 10

(A) |

**B)**Yes it shows a linear relation because it goes over and up in the same pattern every time

**C)**It wouldn't work to have points in between because in order to get Y(p) you need to multiply (x) by 9. (9x=y)

**A)**The graph is about a Grade 8 car wash. It includes the number of cars and the income for how many cars washed.

**B)**The pattern on this graph is over 1 and up 10

**C)**The cost of 1 car wash is 10 dollars

(D) |

**E)**10x=y/x=cars y=income/ 10(15)=y/ 150=y

**The income for 15 cars washed would be $150**

**A)**The pattern is over 3 and up 9

(B) |

**C)**3x+2=y/ 3(2)+2=y/ 6+2=y/ 8=y

**The value of y when x=2 is 8**

**D)**3x+2=y/ 3(5)+2=y/ 15+2=y/ 17=y

**The value of y when x=5 is 17**

(A) |

**B)**A=up 1/B=up 4

**C)**4A+1=B

you need to multiply (A) by (4) and add (1) in order to get (B)

Good Job Errah! I really like your explanations, you definitely described how you got to the answer! Also I really like how you added pictures too! To make your post even better, I suggest you embed a video, add a link and touch in some colour to your post! Overall, great job!

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