Question

A set of data points has an equation of y= -1.5 + 2.5x.

What is the residual for the point (4, 7)?

A. 7
B. 1.5
C. 8.5
D. -1.5

Answer 1

@Mehek14 Could you help? :D

Answer 2

ok so substitute 7 for y and 4 for x

Answer 3

so 7 = 2.5(4) - 1.5

Answer 4

no solve

Answer 5

7 = 2.5(4) - 1.5

Answer 6

so first 2.5(4)

Answer 7

that comes out to 10

Answer 8

-1.5

Answer 9

it comes out to 8.5

Answer 10

right?

Answer 11

ok now im not sure whether to subtract 7-8.5 or 8.5-7

Answer 12

never mind subtract 7 by 8.5

Answer 13

7-8.5

Answer 14

-1.5

Answer 15

yea

Answer 16

Thank you you are a life saver!!

Answer 17

thanks and ur welcome ^_*