PDF Notes: Linear relationships

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    What is the slope of a line?

    Indicates the steepness and direction of the line.

    How do you find the gradient of a line?

    Calculate the change in y over the change in x.

    What does the y-intercept represent?

    The point where the line crosses the y-axis.

    What is the equation of a line perpendicular to another?

    Has a negative reciprocal slope compared to the original line.

    How do you model a situation with simultaneous equations?

    Use equations to represent relationships between variables.

    What happens to income at the breakeven point?

    Income equals total costs, resulting in zero profit.

    What is the significance of the maximum number of pairs produced?

    Limits production capacity based on resources.

    How do you determine the cost of an event?

    Sum fixed costs and variable costs per attendee.

    What is the implication of a function's graph?

    Visually represents the relationship between variables.

    What does a function's equation indicate?

    Describes how one variable depends on another.