Question

Emily designed a robot that could climb down steps. She drew a graph to show the results from a test of her new robot. The graph shows the number of steps remaining over time.

Complete the equation that represents Emily’s situation.

y =_____x + _____


http://static.k12.com/calms_media/media/1512000_1512500/1512044/4/e143907d9e9981f28f0fc41b2d91d74db61238b8/MS_IMC_072914_1811229.jpg

Answer 1

so yuo see that y-intsept is 15

Answer 2

so y=15 and x=150?

Answer 3

no

Answer 4

y=slope is -1/10

Answer 5

y=-1/10x+????

Answer 6

tell me what you get

Answer 7

hmmm....

Answer 8

how did you get -1/10

Answer 9

choose point 20, 13 and 0, 15. for exapmple
use slope formula: (13-15)/(20-0)=-2/20=-1/10

Answer 10

oh

Answer 11

that makes a bit of sence to me thanks!