Book 1 500 Grade Practice Test Questions TOC | Lumos Learning

Book 1 Question & Answer Key Resources Engage NY Grade 8 Mathematics

Engage NY Grade 8 Mathematics Book 1

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 243 Videos

 48 Questions

 23 Standards

 202 Pins

 49 Apps

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A company performed power tests on a set of batteries of the same type. The company determined that the equation y = 100 - 8.9x, where x is the number of hours of use and y is the percent of battery power remaining, models the battery life. Based on the equation, what is the best prediction of the percent of remaining power for a battery after 11 hours of use?

Resource: Question

Question Type: Multiple Choice - Single Answer

Standard(s):8.SP.A.3

Standard Description: Use the equation of a linear model to solve problems in the context of bivariate measurement data, interpreting the slope and intercept. For example, in a linear model for a biology experiment, interpret a slope of 1.5 cm/hr as meaning that an additional hour of sunlight each day is associated with an additional 1.5 cm in mature plant height.

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