Practice Practice Problems (11) - Linear Functions - IB 10 Mathematics

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9 questions

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2 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.
Write the equation of a line with slope 4 and y-intercept -2.
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Use the form y = mx + c.
Question 2.
Find the x-intercept of the line y = 5x - 10.
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Set y to 0 and solve the equation.
3Question 3.
What is the slope of the line represented by the equation y = 3x + 4?
- 3
- 4
- 0
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Look for the term multiplying x.
4Question 4.
True or False: The x-intercept occurs where the value of y is equal to zero.
- True
- False
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Recall the definition of x-intercept.
Question 5.
Create a linear equation based on a real-world situation where the total cost is $30 for a flat fee plus $2 per hour. How would you express this mathematically?
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Identify the fixed charge and variable charge per hour.
Question 6.
Given two points (2, 3) and (4, 7), derive the linear equation for the line through these points.
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Find the slope first, and use it in the point-slope formula.

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