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Back to Create equations and inequalities — Problem 4 · Task Set 24

Exercises: Create Equations and Inequalities in One Variable

Work through each section in order. For word problems, define your variable before writing any equation or inequality.

Grade 9·21 problems·~35 min·Common Core Math - HS Algebra·standard·hsa-ced-a-1
Work through problems with immediate feedback
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Fluency Practice

1.

A ball is dropped from a height of 100 feet. Its height after tt seconds is h=−16t2+100h = -16t^2 + 100. Set h=0h = 0 and solve for tt to find when the ball hits the ground. Give your answer rounded to the nearest tenth of a second. (Take only the positive solution.)