Which of the following equations defines a line that passes through the point (8,2) and is perpendicular to the line y= -2x + 4?

b

Step-by-step explanation:

I plugged all of these into a graph and the used the graph trace feature (after setting the step to 1) and traced all of the graphs to find if they hit the point (8,2). B-d do so we can eliminate a and then you can either graph the line y=-2x+4 or just go with b because they have the same slope (-2x). Hope that helps!

The solution in each item is enumerated below:

For item#1,
Interest in a year = savings amount * interest rate * time
Interest in a year = $55,000 * 2% * 1 year
Interest in a year = $1,100

For item#2,
Amount to keep inflation = $55,000 * 3.24% * 1 year
Amount to keep inflation = $ 1,782

For item#3,
Buying power loss = $1,782 - $1,100
Buying power loss = $682