Given the equation 2x + 10y = 10, answer the following questions:

Question

If x decreases by 2 units, what is the corresponding change in y?

? units

Answer 1

2x + 10y = 10.

When x = 0, Y = 1.
When x = 0-2 = -2, Y = 1.4.

Change in y = 1.4-1 = 0.4 Units.