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Grade 8 McGraw Hill Glencoe - Answer Keys
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Extra Practice
Solve each system of equations by graphing.
Question 14
\(\text{y} = 3\text{x}\)
\(\text{y} - 4 = 3\text{x}\)
Type below:
Question 15
\(\text{y} = 2\text{x}\)
\(\text{y} = \text{x} + 1\)
Type below:
Question 16
\(\text{y} = \cfrac{3}{4}\text{x}\)
\(3\text{x} - 4\text{y} = 0\)
Type below:
Question 17
\(\text{y} = \cfrac{1}{2}\text{x} + 1\)
\(\text{y} = \cfrac{1}{2}\text{x} - 2\)
Type below:
Identify Structure Determine if each of the following systems of equations has no solution , one solution , or an infinite number of solutions . If there is a solution, find the solution. If not, explain why not.
Question 18
\(2\text{x} + 3\text{y} = 6\)
\(2\text{x} + 3\text{y} = 7\)
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Question 19
\(\text{x} + \text{y} = -2\)
\(\text{y} = \text{x} + 2\)
Type below:
Question 20
\(\text{x} + \text{y} = -3\)
\(2\text{x} + \text{y} = 1\)
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