Point Slope Form
(1,4) m=5
y-4 = 5(x-1)
y-2 = 3(x+4)
y=3x+14
This player recently broke the record for most career points
Lebron James
Johnny sells apples in the fall, he started with 85 apples, he can pick 5 apples a day.
y = 5x + 85
If the points are INCREASING from left to right what kind of correlation does the scatter plot have?
Positive
(2,8) m = 3
y-8=3(x-2)
y-5 = 3(x+5)
y=3x+20
This artist broke all kind of records I'm sure of it with his hit album tha Cater III
Lil Wayne
John is renting a canoe, the canoe rental service charges a $20 transportation fee and $30 dollars an hour to rent a canoe.
y = 30x + 20
If the points are DECREASING from left to right what kind of correlation does the scatter plot have?
Negative
(-5, 3) m=2
y-3 = 2(x+5)
y+2=8(x+3)
y=8x+22
In this Harry Potter movie Severus Snape revels his identity as a death eater and murders an important member of Hogwarts
Harry Potter and the Half Blood Prince
Diego has been collecting trading cards, he started with five cards in his collection. He adds three cards per week.
How many cards will he have after four weeks?
y= 3x+5
17 cards
Data that does not follow any pattern. Dots all over the place on the scatter plot
No Correlation
(1,-4) m = 2
y+4 = 2(x+4)
y-10=5(x-4)
y=5x-10
This team won the 2013 Super Bowl in a lights out performance
Baltimore Ravens
Oscar is starting his construction company. at the begining of his career he has only four employees. As his company grows, he has found that he can afford to hire seven employees each year.
How many employees will Oscar have after ten years?
y=7x+4
74 employees
Who was the first president of the United States
George Washington
(-2,-6) m = 6
y+6 = 6(x+2)
y+8=1/2(x+12)
y=1/2x-2
This actor played mob boss Tony Soprano in the hit drama "Sopranos" His son, Michael, played the same role in the 2021 movie Many Saints of Newark
James Gandolfini
The first iPhone was released in this year
2007
The population of “Smalltown” has been increasing as people retire and move to the hills to enjoy the beauty and peace of the countryside. The planning board compiled the data below to help predict future growth.
YEAR (X)
1970
1975
1980
1985
1990
POPULATION (Y)
465
715
1015
1215
1565
Graph