Linear Regressions
This letter represents the correlation coefficient.
What is r?
This is what an arithmetic sequence adds by.
What is the common difference?
This type of function has an exponent of 2.
What is a quadratic function?
Sarah drove to the store. She was at the store for several minutes. Then, she drove back from the store.
The independent quantity in this scenario.
What is time?
The place where the graph crosses the x-axis.
What is the x-intercept?
The equation we put into Desmos to find the line of best fit.
What is y1~mx1+b?
What does a1 or g1 mean in the explicit formula?
What is the first term of the sequence?
These two types of functions have an absolute maximum or absolute minimum.
What is quadratic and linear absolute value?
The average rate of change in centimeters per day of Plant A. (Must include units to get the answer correct).
What is 1.5 cm/day?
While looking at a graph, the range is how far the function goes _________ and __________.
What is up and down?
The values that the correlation must be close to in order for the line to be a good fit for the data.
What is -1 and 1?
The type of function that a geometric graph makes.
What is exponential?
The behavior of the function f(x)=2/3 x -2.
What is increasing?
Raymond is filling his kitchen sink to wash dishes. After one minute, there are 2.75 gallons in the sink. After two minutes, there are 5.5 gallons in the sink. After three minutes, there are 8.25 gallons in the sink.
The amount of gallons in the sink at 5 minutes.
What is 13.75?
a. When you are at the beach, you get wet.
b. When you carry an umbrella to school, it rains.
c. When you don't brush your teeth, you get cavities.
The statement that implies causation.
What is c?
The linear regression for a data set is y=21.2x+23.5, where y represents the number of balloons sold by a party store each week and x represents the number of weeks.
The number of balloons sold in week 8. (Round to the nearest whole number).
What is 193 balloons?
The 10th term of the sequence defined by
an = 1 + 1/3 (n-1).
What is 4?
What is -26.371?
Shelby's printer had 500 sheets of paper in it. After Monday, there were 466 sheets of paper. After Tuesday, there were 432 sheets of paper. After Wednesday, there were 398 sheets of paper.
The amount of paper on Friday.
What is 330 sheets of paper?
c. {(3,2), (-3,2), (-2,3), (2,3)}
The one that is not a function.
What is b?
The linear regression for a data set is y=2.8x+70.8, where y is the temperature in degrees Fahrenheit and x is the number of hours since 8 a.m.
The meaning of slope in the equation.
What is for each hour that goes by, the temperature increases by 2.8 degrees Fahrenheit?
The recursive formula that goes with the explicit formula: an = 5 - 2 (n-1).
What is an = an-1 - 2?
A function that is always increasing or decreasing and has a smooth curve.
You must spell it correctly to earn the points!!
What is exponential?
Gregory has agreed to donate $250 to Spring Valley High School for its library. In addition, he will donate $5 for every book a student reads during the summer. The sequence represents the possible amounts he will donate: 250, 255, 260, 265, 270, ..
An equation that represents the problem situation.
What is y=5x+245 or an=250+5(n-1)?
Ms. Pedelty's favorite color.