Linear Equations
Inverse Variation
Writing Functions
Multivariable Functions
100
A strategy that models a non-linear graph as linear by drawing a line in the middle of all coordinate points.
What is the line of best fit?
100
Y=K/X
What is the equation for inverse variation?
100
The equation for a line the with a slope of 4 that crosses through (0,-5).
What is Y=4X-5
100
The distance (D) is directly proportional to the average speed (S) and time (t)
What is D=St
200
What m stands for in Y=mX+b
What is the slope or rate of change?
200
The average speed (s) in the Daytona 500 (miles) race is a function of the time (t) it takes to complete the race.
What is S=500/T
200
The slope for a line that cross through the points (2,4) and (5,8).
What is 4/3?
200
The income of a person (I) is inversely proportional to the number of workers (w) and to the money earned (e).
What is I=e/w
300
What b stands for in the equation Y=mX+b
What is Y-intercept or starting point?
300
The K variable in the inverse variation for how many mangoes per hour Sally eats if she eats 8 mangoes over a certain amount of hours.
What is 8 Mangoes?
300
The equation for the cost "C" of an ice cream stand that charges $20 to come to your party and $2 per ice cream once they're there.
What is C=2X+20
300
The result of Z when K is held constant and Y increases. Z=K/Y
What is Z will increase.
400
The slope of a line parrallel to the line Y=1/2X+9
What is 1/2?
400
The three ways to write an inverse variation for Y when the other variable are 25 and X.
What is Y=25/X, YX=25, X=25/Y?
400
The equation for a line that passes through (4,6) and (0,2)
What is Y=X+2
400
The result of Z when K is held constant and Y decreases. Z=K/Y
What is Z will decrease.
500
The flat fee a place charges to rent surfboards would be represented by this variable in a linear function for the total cost.
What is b (the y-int)?
500
True or False: This table shows inverse variation X 10 15 25 40 100 Y 6 9 15 24 60
What is False
500
The y-int of a line with a slope of 3 that passes through the point (2,10)
What is (0,4)?
500
The formula when the lumen's strength (L) is an inverse variation to distance (D) , and the beam (B) is a constant.
What is L=B/D
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