Chapter 1, Problem 29RPS

### Chemistry & Chemical Reactivity

10th Edition
John C. Kotz + 3 others
ISBN: 9781337399074

Chapter
Section

### Chemistry & Chemical Reactivity

10th Edition
John C. Kotz + 3 others
ISBN: 9781337399074
Textbook Problem

# Use the graph below to answer the following questions.(a) Derive the equation for the straight line, = mx + b.(b) What is the value of y when x = 6.0?

(a)

Interpretation Introduction

Interpretation: The unknown values using the graph has to be predicted.

Concept Introduction:

Graph and graphing: In the equation,y=x+b where y is referred as dependent variable, x is called the independent variable, and m is the slope of the line.

Explanation

â€‚Â Considerâ€‰twoÂ points:Â (0,20)Â asÂ (x1,y1)Â andÂ (0,5)Â asÂ (x2,y2)yÂ =Â mÂ xÂ +Â bÂ Â Â Â mÂ =Â Î”yÎ”x=Â âˆ’205Â =Â -Â 4Â Â m=âˆ’4,â€‰so<

(b)

Interpretation Introduction

Interpretation: The unknown values using the graph has to be predicted.

Concept Introduction:

Graph and graphing: In the equation,y=x+b where y is referred as dependent variable, x is called the independent variable, and m is the slope of the line.

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