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y-Intercepts and x-intercepts of Linear Equations

Algebra and Graphs y-Intercepts and x-intercepts of Linear Equations

🎬 Video Tutorial

(0:28) Understanding Y-Intercept and X-Intercept: The y-intercept is where $x = 0$; the x-intercept is where $y = 0$.
Example of Finding Intercepts: For $y = 200 – 50x$, the y-intercept is $200$, and the x-intercept is $4$.
(1:52) Finding the Intersection of Two Lines: Set equations equal to solve for $x$ and substitute back to find $y$, giving the point of intersection.
(2:10) Real-World Interpretation of Intersection: Here, the intersection point $(2.5, 75)$ means that both travellers are 75 miles from the park after 2.5 hours.

📂 Revision Cards

Diagram explaining the x- and y-intercepts of linear equations using the equation y = 200 - 50x, illustrating where the line crosses the axes. — 1) Intercepts of Linear Equations

Intersection of two linear equations, y = 200 - 50x and y = 150 - 30x, at point (2.5, 75) with x-axis as hours drove and y-axis as remaining distance. — 2) Intersection of Linear Equations

Steps to find the intersection of two linear equations by setting equations equal and solving for x and y, with equations and example values. — 3) Determining the Intersection

🍪 Quiz

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