Interactive multiple-choice quiz: Equation for a line that closely fits the data and prediction

A

y = 0.025x + 2.8

B

y = 2.8x + 0.025

C

y = 0.25x + 2.8

D

y = 0.025x - 2.8

A

y = 6x

B

y = 0.2x + 6

C

y = 0.2x

D

y = 5x

A

Equation: y = x + 30; Temperature: $70^\circ F$

B

Equation: y = 30x + 1; Temperature: $1,230^\circ F$

C

Equation: y = x - 30; Temperature: $10^\circ F$

D

Equation: y = 2x + 30; Temperature: $110^\circ F$

A

y = 0.8x + 90

B

y = -0.8x + 90

C

y = 1.25x + 90

D

y = -1.25x + 90