Math Practice 101
Homework Explained - Math Practice 101

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Grade 8 McGraw Hill Glencoe - Answer Keys


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  Guided Practice  

Solve each system of equations by graphing.

  • Question 1 (request help)

    \(\text{y} = \text{x} + 3\)

    \(\text{y} = -2\text{x} - 3\)
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  • Question 2 (request help)

    \(\text{y} - 6 = 2\text{x}\)

    \(\text{y} = 2(\text{x} + 1) + 4\)
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  • Question 3 (request help)

    The sum of Sally's age plus twice Tomas' age is 12. The difference of Sally's age and Tomas' age is 3. Write and solve a system of equations to find their ages. Interpret the solution.
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  • Question 4 (request help)

    A system of equations consists of two lines. One line passes through (-1, 3) and (0, 1). The other line passes through (1, 4) and (0, 2). Determine if the system has no solution, one solution, or an infinite number of solutions.
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  • Question 5 (request help)

    Building on the Essential Question How can you use a graph to solve a system of equation?
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