What does "k" stand for in the formula for Direct Variation?
k= constant of variation
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15
Given the coordinates (2,3) and (4,6), calculate the gradient of the line that passes through the two points
m= 3/2
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15
Give a practical example of a linear relationship
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lifesaver
Give 25 points!
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magnet
Take 25 points!
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rocket
Go to first place!
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thief
Give points!
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25
15
What does it mean when the gradient is negative?
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banana
Go to last place!
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star
Double points!
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shark
Other team loses 20 points!
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banana
Go to last place!
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15
How is the gradient calculated?
RISE/RUN
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15
What car does Mr. Russo drive and what colour?
Holden Cruze- Black
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15
What is the general formula for "Direct Variation"?
y=kx
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15
State the general equation of a straight line.
y = mx + b
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banana
Go to last place!
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fairy
Take points!
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25
fairy
Take points!
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25
banana
Go to last place!
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15
Bryan's Income ( I ), directly varies with the amount of hours he works. Bryan's income is $625 when he works 25 hours. Hence, find the constant of variation.
k= 25
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15
Calculate the gradient of the following line.
Gradient= 3/2
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15
What is Mr. Russo's nationality?
Italian
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15
What does "b" represent in the equation of a straight line?
