Question

Rita discovered that a lab thermometer in her Chemistry class is not accurate. She created the table to show the relationship between x, the thermometer’s temperature reading, and y, the actual temperature. Which equation represents the relationship between x and y shown in the table?

A. y=x+1
B. y=-x
C. y=4x
D.y=x+4

Answer 1

The correct answer is letter B

Answer 2

• D. y=x+4

Explanation:

According to given table, we can see each line has relationship:

• x - y = -4

Convert this into equation of the line:

• y = x + 4

Correct choice is D