Practice Linear Equations (4.2) - Linear Equations In Two Variables

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9 questions

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3 cards from this section. Quick, good the night before a test.
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.
Convert the equation 3x + 7 = 15 into standard form.
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Isolate the equation to get all terms on one side.
Question 2.
What is the standard form of the equation y = 4?
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Rearrange the equation to match ax + by + c = 0.
3Question 3.
What is the general form of a linear equation in two variables?
- ax + by + c = 0
- a + b = c
- x + y = 1
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Think of the format we discussed in class.
4Question 4.
True or False: Each linear equation in two variables has only one unique solution.
- True
- False
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Remember how we solved for multiple points in the graph.
Question 5.
Consider the equation x - 2y = 3. Find two distinct solutions and graph them.
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Pick any value for x and solve for y to find more points.
Question 6.
Given the equation 10 = 2x + 3y, find three solutions and explain why there are infinitely many.
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Substituting various values for either variable leads to different solutions.

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