Practice Solution Of A Linear Equation (4.3) - Linear Equations In Two Variables

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9 questions

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Exercise
6 questions · about 4 min · pass mark 70%. Hints available.
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Quiz
3 questions · about 2 min · pass mark 70%. Hints available.
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6 sample questions

Question 1.
Find a solution for 2x + y = 7 when x = 3.
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Substitute x in the equation to find y.
Question 2.
Is (4, 2) a solution for 2x + 3y = 14?
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Substitute the values to check.
3Question 3.
True or False: A linear equation in two variables can have a unique solution.
- True
- False
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Think about the examples we discussed.
4Question 4.
Multiple Solutions for 4y + x = 8: (2, 1), (0, 2), and (8, 0) are examples of solutions?
- True
- False
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Substituting will show if they are valid.
Question 5.
Determine if (5, -1) is a valid solution for the equation 2x + 3y = 6. Show the calculations.
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Check by substituting.
Question 6.
Write three different pairs (x,y) for the equation 3x + 4y = 24, and confirm their validity.
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Each should satisfy the original equation.

5 more questions in this section. Enroll free to practise them all.