The slope of y=2x+1 is: 2. The parallel line needs to have the same slope of 2. We can solve it using the point-slope equation of a line: y â y1 = 2(x â x1) And then put in the point (5,4): y â 4 = 2(x â 5) And that answer is OK, but let's also put it in y = mx + b form: y â 4 = 2x â 10.
1 In-office teeth whitening treatments by a dentist can cost $300-$1,000 or more, but average about $500-$700.
Dentists who use the Deep Bleaching regimen say it provides permanent deep-whitening if patients follow maintenance instructions. Cost: The fee for the two in-office procedures, custom-fabricated trays and 14 days of home bleaching, ranges from $800 to $3,500. On average, the fee is $1,250. The price of maintenance bleaching gel is $5 to $7 for each overnight treatment.