Solving systems by graphing

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b

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d

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c

Front

Steffen graphed two lines to find the solution to a given system of equations. What is the solution? Options: (-3,-8), (-8,-3), (3,-8), (8,3)

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(-3,-8)

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What are the steps for graphing a line?

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1. Plot y-intercept 2. count slope ratio plot second point 3. Draw the line.

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What is a solution of a linear system?

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the point where the graphs intersect

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Solve the system of equations by graphing. Options: (0, 3), (5, 5), (-4, 6), (6, -4)

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(0, 3)

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Why do parallel lines never intersect?

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They have the same slopes.

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What happens when you graph the exact same equation twice?

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You will have infinite solutions.

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Solution to the system:
 y= -1/4x + 4
y = 2x + 2
Options: A, B, C, D

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A