In Exercises 86-89, use your graphing utility to enter each side ofthe equation separately under y, and y2. Then use the utility'sTABLE or GRAPH feature to solve the equation.86. 5x + 2(x – 1) = 3x + 10%3D87. 2x + 3(x – 4) = 4x – 788. 3(2x + 11) = 3(5 + x)2x89.x - 5x - 364

Given equation is: 5x + 2(x - 1) = 3x + 10 We have to solve for x.

Answered: In Exercises 86-89, use your graphing…

Big Ideas Math A Bridge To Success Algebra 1: Student Edition 2015

1st Edition

ISBN:9781680331141

Author:HOUGHTON MIFFLIN HARCOURT

Publisher:HOUGHTON MIFFLIN HARCOURT

Chapter9: Solving Quadratic Functions

Section9.6: Solving Nonlinear Systems Of Equations

Problem 38E

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The bar graph shows the number of fatal vehicle crashes per 100 million miles driven for drivers of various age groups. 25-year-old drivers are involved in 4.1 fatal crashes per 100 million miles driven. Thus,when a group of 25-year-old Americans have driven a total of 100 million miles, approximately 4 have been in accidents in which someone died.The number of fatal vehicle crashes per 100 million miles, y, for drivers of age x can be modeled by the formulay = 0.013x2 - 1.19x + 28.24.Use the formula above and the bar graph. What age groups are expected to be involved in 3 fatal crashes per 100 million miles driven? How well does the formula model the trend in the actual data shown in the bargraph?
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In Exercises 86-89, use your graphing utility to enter each side of the equation separately under y, and y2. Then use the utility's TABLE or GRAPH feature to solve the equation. 86. 5x + 2(x – 1) = 3x + 10 %3D 87. 2x + 3(x – 4) = 4x – 7 88. 3(2x + 11) = 3(5 + x) 2x 89. x - 5 x - 3 6 4