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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is the y-intercept of the function f(x) = x² + 3x + 2?
💡 Hint: Set x to 0 and solve for f(0).
Question 2
Easy
Calculate the y-intercept of f(x) = -4x² + 5.
💡 Hint: Remember f(0) = c.
Practice 4 more questions and get performance evaluation
Interactive Quizzes
Engage in quick quizzes to reinforce what you've learned and check your comprehension.
Question 1
What does the y-intercept represent in a quadratic function?
- The highest point of the parabola
- The point where the graph crosses the y-axis
- The slope of the graph
💡 Hint: Think of the intercept as a crossing point.
Question 2
True or False: To find the y-intercept of a quadratic function, you set x to 1.
- True
- False
💡 Hint: Remember, the y-axis is where x equals zero.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Consider the function f(x) = 4x² - 7x + 1. Describe the significance of the y-intercept in the context of its graph.
💡 Hint: Evaluate f(0).
Question 2
A projectile follows the path modeled by the function h(t) = -16t² + 64t + 2. Identify the height at time t=0 and explain its real-world meaning.
💡 Hint: Use the function to find h(0).
Challenge and get performance evaluation