7A.19
Create equations in two variables to represent relationships between quantities in context; graph equations on coordinate axes with labels and scales and use them to make predictions. Limit to contexts arising from linear functions. [Algebra I with Probability, 12 partial]
Example Problems
What is the equation of the horizontal line through the point ?
What is the equation of the horizontal line through the point ?
What is the equation of the horizontal line through the point ?
Khan Academy ResourcesWriting proportionsSolving proportionsWriting proportional equationsWriting proportional equations from tablesEquation word problem: super yoga (2 of 2)Equation word problem: super yoga (1 of 2)Worked example: Solving proportionsWriting proportions exampleWriting proportional equations from tablesEquations for proportional relationships

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