The table below shows the birth weight and the weight for the first three weeks of a baby whale. Determine the slope and y-intercept of the linear equation that models this data, write the equation and predict the baby whale’s weight at 4 weeks. Week
Weight (lbs)
0
5000
1
6400
2
7800
3
9200

Student’s Work
Student’s Answer

A. y= 9200x+1400; 10,600 lbs
B. y= 5000x+1400; 21,400 lbs
C. y= 1400x+ 5000; 10,600 lbs
D. y= 5000 +41400; 21,400 lbs