Y-Intercepts in Depth

What is the y-intercept shown on the graph?

• (0, -2)

• (3, 0)

• (0, 3)

• None of these.

A line on a graph crosses the y-axis at the point (0, -2). What is the y-intercept of this line?

• 0

• 2

• -2

• 2

• 5

• -5

• 0

The table represents a used car salesman's monthly salary including commission made on the sale of cars.  What is the y-intercept and what does it represent?

• The y-intercept is $850/car and it represents the commission per car sold.

• The y-intercept is $1500/car and it represents the commission per car sold.

• The y-intercept is $1500 and it represents the monthly salary before commission.

• The y-intercept is $2775 and it represents the monthly salary before commission.

In the context of a business, the y-intercept of a cost function represents:

• The variable cost per unit

• The fixed cost

• The total revenue

• The profit margin

• It decreases by 3

• It increases by 3

• It remains the same

• It decreases by 7

A graph shows a line that passes through the points (0, -2) and (3, 4). What is the y-intercept of the line?

• -2

• 4

• 2

• 0

• -6

• 6

In a real-world scenario, the y-intercept of a line representing the height of a plant over time is 10 cm. What does this y-intercept represent?

• The plant's growth rate

• The initial height of the plant

• The maximum height of the plant

• The average height of the plant

• It increases by 4

• It decreases by 4

• It increases by 3

• It decreases by 3