WorksheetsGrade 8 | Unit 3 | Lesson 6: More Linear Relationships | Practice Problems
Total questions: 7
Worksheet time: 16mins
A graph represents the perimeter, y, in units, for an equilateral triangle with side length x units. The slope of the line is 3 and the y-intercept is 0. Explain what the slope and intercept mean in this situation.
The amount of money, y, in a cash box after x tickets are purchased for carnival games. The slope of the line is 41 and the y-intercept is 8. Explain what the slope and intercept mean in this situation.
The number of chapters read, y, after x days. The slope of the line is 45 and the y-intercept is 2. Explain what the slope and intercept mean in this situation.
The graph shows the cost in dollars, y, of a muffin delivery and the number of muffins, x, ordered. The slope of the line is 2 and the y-intercept is 3. Explain what the slope and intercept mean in this situation.
Customers at the gym pay a membership fee to join and then a fee for each class they attend. Here is a graph that represents the situation. What does the slope of the line shown by the points mean in this situation?
$20
Membership fee
Number of classes
What does the vertical intercept mean in this situation?
$60
Number of classes
Cost per class
The graph shows the relationship between the number of cups of flour and the number of cups of sugar in Lin’s favorite brownie recipe.
| cups of sugar | cups of flour |
|---|---|
| \(\frac{3}{2}\) | 1 |
| 3 | 2 |
| \(4\frac{1}{2}\) | 3 |
