Use the Intermediate Value Theorem to prove that each equation has a solution. Then use a graphing calculator or computer grapher to solve the equations. 73. sqrt(x) + sqrt(1 + x) = 4 74. x3 - 15x + 1 = 0 (three roots)

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
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ISBN:9780079039897
Author:Carter
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Chapter9: Quadratic Functions And Equations
Section9.3: Solving Quadratic Equations By Graphing
Problem 5GP
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Use the Intermediate Value Theorem to prove that each equation has a solution. Then use a graphing calculator or computer grapher to solve the equations.

73. sqrt(x) + sqrt(1 + x) = 4

74. x3 - 15x + 1 = 0 (three roots)

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