Answered: 1. Find the discriminant of f(x) = x^2…

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018

18th Edition

ISBN:9780079039897

Author:Carter

Publisher:Carter

Chapter9: Quadratic Functions And Equations

Section9.2: Transformations Of Quadratic Functions

Problem 50PFA

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1. Find the discriminant of f(x) = x^2 +3x+2 How many x intercepts would the quadratic have if the discriminant was -15? 2. A football's height in feet can be modeled by the equation h(t)=-16t^2 +48t +5, where t is the time in seconds since the ball was thrown. What is the maximum height that the ball reaches? A. About 5 feet B. About 41 feet C. About 48 feet d. About 103 feet 3. A toy rocket is launched from the ground with an initial velocity of 80 ft/sec. After how many seconds will the rocket hit the ground? The equation h(t) -16t^2 +80t models the height of the rocket after t seconds A. 0 or 5 seconds B. /5 seconds C. 0 seconds d. 5 seconds It's a lot but thank you whoever helps

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