1. Examine the graph to the right. 1 a. Does the graph represent a proportional relationship? 10 Explain how you know. 10
1. Examine the graph to the right. 1 a. Does the graph represent a proportional relationship? 10 Explain how you know. 10
Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter6: Ratio, Proportion, And Probability
Section6.2: Writing And Solving Problems
Problem 29E
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Equations and Inequations
Equations and inequalities describe the relationship between two mathematical expressions.
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A linear function can just be a constant, or it can be the constant multiplied with the variable like x or y. If the variables are of the form, x2, x1/2 or y2 it is not linear. The exponent over the variables should always be 1.
Question
Does the graph represent a proportional relationship
Expert Solution
Step 1
Yes, the graph represent a proportional relationship.
Note the following:
- A proportional relationship is one in which two quantities vary directly with each other.
- The variable y varies directly as c if y=kx for some constant k, called the constant of proportionality.
- The graph of the proportional relationship equation is a straight line passing through the origin.
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