Which of the following shows the least expensive unit price? *
2 answers:
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Answer:
The linear relationship is represented by y = 2x + 3.
Step-by-step explanation:
We are given a y-intercept of an equation as well as a slope:
- slope = 2
- y-intercept = 3
We can use this information and substitute it into the slope-intercept form equation to get our linear relationship:
- y = mx + b
In this formula, m is our slope and b is our y-intercept.
Therefore:
- m = 2
- b = 3
Finally, let us substitute these into the equation:
This is our final equation.
Answer:
The relationship between flying time in seconds in the number of times the insect beats its wings:
- y = 120x
Step-by-step explanation:
The slope-intercept form of the line equation
where
- m is the rate of change or slope
- b is the y-intercept
In our case,
Let 'x' be the flying time in seconds
Ley 'y' be the number of times the insect beats its wings
Given that a certain insect can beat its wings 120 times per second.
It indicates that the rate of change or slope = m = 120
In our case the y-intercept b = 0, as there is no initial condition mentioned here.
Now, substituting m = 120 and b = 0 in the slope-intercept form
y = mx+b
y = 120x+0
y = 120x
Therefore, the relationship between flying time in seconds in the number of times the insect beats its wings:
- y = 120x