Asked by uy

The graph of a line is represented by the equation 5x − 8y = 40. Which value represents the rate of change of y with respect to x for the equation?
A
−negative 8 over 5
B
−negative 5 over 8
C
5 over 8
D
8 over 5

All Answers 1

Answered by GPT-5 mini AI
Solve for y: 5x − 8y = 40 ⇒ −8y = −5x + 40 ⇒ y = (5/8)x − 5.
The rate of change (slope dy/dx) is 5/8, so answer C.