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Chapter 4: Q. 500 (page 540)

Cholesterol.The age, x, and LDL cholesterol level, y, of two men are given by the points (18,68)and (27,122). Find a linear equation that models the relationship between age and LDL cholesterol level.

Short Answer

Expert verified

The linear equation is y=6x-40.

Step by step solution

01

Step 1. Given Information 

We are given two points 18,68and27,122,

We have to find a linear equation that models the relationship between age and LDL cholesterol level.

02

Step 2. Finding the slope

The slope of the line is given by,

m=y2-y1x2-x1m=122-6827-18=549=6

03

Step 3. Finding the linear equation

The linear equation is given by,

y-y1=mx-x1y-68=6(x-18)y-68=6x-108y=6x-108+68y=6x-40

The linear equation that models the relationship between age and LDL cholesterol level is y=6x-40.

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Most popular questions from this chapter

In the following exercises, which ordered pairs are solutions to the given equations :

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x-y=3.

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