Paul ships 5 copies of a photobook that he made of old family photographs to his cousins in a box
1 answer:
The graph that represents the linear equation is attached below.
<h3>How to Interpret the Equation of a Linear Graph?</h3>A linear graph can be modelled by an equation in slope-intercept form, as: y = mx + b. Here, we have:
- m as the slope value = change in y / change in x
- b as the y-intercept which is the point on the y-axis that the line intercepts which is also the starting value/initial value.
Given the linear equation, y = 5x + 10, it means the slope of the graph that represents this equation would be 5, while the line that intersects the y-axis would be at 10.
In the graph attached below, the slope is 5, and the y-intercept is 10.
Therefore, the graph that represents the linear equation is attached below.
Learn more about the linear equation graph on:
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SOLUTION
From the question, we are told that y varies inversely as x
This is mathematically written as
Now, we will remove the proportionality sign and replace it with equal to sign =
If we do this, we will intoduce a constant k
So we have the formula
We will substitute the values of x for 10 and y for 8 into the formula to get k, we have
Now, we will substitute k for 80 back into the formula to get the inverse function, we have
Hence the answer is option C