8th Semester 1 exam 2024

Front

What is a function?

Back

A function is a relation where each input (x-value) has exactly one output (y-value).

Front

How can you determine if a graph represents a function?

Back

Use the vertical line test: if a vertical line intersects the graph at more than one point, it is not a function.

Front

What does '6 less than 4 times a number' mean in algebraic expression?

Back

It is represented as 4n - 6.

Front

How do you calculate the slope of a line?

Back

Slope (m) = (y2 - y1) / (x2 - x1).

Front

What is the slope of the line passing through the points (2, 3) and (5, 9)?

Back

The slope is 2.

Front

What is a line of best fit?

Back

A line that best represents the data on a scatter plot, showing the trend of the data.

Front

What is the total number of students surveyed if 30 students were counted?

Back

The total number of students surveyed is 30.

Front

What is the meaning of 'relation' in mathematics?

Back

A relation is a set of ordered pairs, where each pair consists of an input and an output.

Front

What is the difference between a function and a relation?

Back

A function is a specific type of relation where each input has one output.

Front

What does it mean for a graph to be linear?

Back

A linear graph is a straight line that represents a linear equation.