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SAT Math Practice Question #39715 - SATify | SATify

#39715

statistics

linear equations

data analysis

bivariate data

estimation

graphs

modeling

medium

75 sec

The scatterplot shows the remaining battery life (in percent, $y$ ) of a phone after $x$ hours of continuous use. Which of the following equations best models the relationship between the hours of use and the remaining battery life?

A.

$y = - 1.8 x + 9.5$

B.

$y = - 1.9 x + 10.2$

C.

$y = - 2.1 x + 10.5$

D.

$y = 1.9 x + 10.1$