y-Intercept and Linear Models Worksheet
📝 Worksheet medium ⏱️ 20 minutes 8 problems
y-Intercept and Linear Models Worksheet
Grade 8 Mathematics LearnCrux.com
Name:
Date:
Directions
- Fill in each blank carefully.
- Circle or mark the best answer for each multiple-choice question.
- Match each prompt to the best option before writing your answer.
- Use the larger space to show your thinking on word problems.
1. In the equation y = 4x + 9, the y-intercept is __.
2. Which equation is linear but not proportional?
3. Match the phrase to the meaning: starting fee
Match with:
Answer:
4. If a savings account starts with 40 dollars and grows by 6 dollars each week, the intercept is __.
5. Why is y = 7x not the same kind of model as y = 7x + 15?
6. Which graph feature shows the y-intercept?
7. A linear equation with a starting value often uses the form y = mx + __.
8. Why should students interpret the y-intercept in words?
📋 Teacher Answer Key
1. 9
2. y = 3x + 2
3. y-intercept
4. 40
5. The first model starts at zero and is proportional, while the second has a starting value of 15 and is not proportional
6. where the line crosses the y-axis
7. b
8. The y-intercept usually represents a real starting amount, fee, or initial value in the situation