8.4B Unit Rate and 8.4C Y Intercept

Front

What is the y-intercept of a graph?

Back

The y-intercept is the point where the graph crosses the y-axis, represented as (0, y).

Front

In the equation f(x) = mx + b, what does 'b' represent?

Back

'b' represents the y-intercept of the line, indicating the value of f(x) when x = 0.

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

Front

How do you find the y-intercept from a graph?

Back

To find the y-intercept, look for the point where the line intersects the y-axis.

Front

What does a y-intercept of (0, 3) indicate?

Back

It indicates that when x = 0, the value of y is 3.

Front

What is a unit rate?

Back

A unit rate is a comparison of two different quantities where one of the quantities is expressed as a quantity of one.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

How do you calculate the unit rate from a graph?

Back

To calculate the unit rate, divide the change in the y-value by the change in the x-value.

Tags

CCSS.7.RP.A.1

Front

If a graph shows a unit rate of 20, what does that mean?

Back

It means that for every 1 unit increase in x, the y-value increases by 20.

Tags

CCSS.8.EE.B.5

Front

What does the y-intercept tell us in a real-world scenario?

Back

It often represents the starting value or initial condition before any changes occur.

Tags

CCSS.HSF.LE.B.5

Front

In a cost function, what does the y-intercept represent?

Back

The y-intercept represents the initial cost before any additional charges or rates are applied.

Tags

CCSS.HSF.LE.B.5

Front

If a hiker starts at a height of 360 feet, what does this represent on a graph?

Back

This represents the y-intercept of the graph, indicating the starting height.

Tags

CCSS.HSF-IF.C.7A