Direct Variations
Domain & Range
Linear
Functions
Slope
100
The formula for a direct variation.
What is y=kx
100
The domain.
What is the input or first coordinate in the order of operations.
100
The formula for standard form of a linear equation.
What is Ax + By = C
100
Is the following table a function? x|y 0|1 1|2 2|3 1|4
No
100
The definition of slope or rate of change.
What is vertical change over horizontal change or change in dependent variable over change in independent variable.
200
The equation of a direct vatiation that passes through point (5,1).
What is y=1/5x
200
The range
What is the second coordinate in the order of operation or output?
200
The x and y intercepts of the equation 3x + 4y = 8.
What is 8/3 and 2.
200
Is the following table a fuction? x|y 2|-3 -1|-3 0|-3 5|-3
Yes
200
The rate of change or slope is always positive.
What is False.
300
The equation of the direct varition that includes the point (-2,-3).
What is y=3/2x.
300
The range of the function w=5-3z when the domain is {-4, 0, 1, 5}.
What is the range of {-10, 2, 5, 17}
300
The x and y intercepts of 2x + 3y = 12.
What is 6 and 4.
300
A graph of the function y=250+3x
See Mr. Stocks
300
The slope of the line passing through the points (3,4) and (-2,1).
What is 3/5?
400
Is this a direct variation? what is it's equation? x|y -6|-2 -3|-1 3|2 6|1
No
400
The range of the function s(t)=(t^2)-1 when the domain is {-1, 0.5, 3.7}.
What is the range of {-.75, 0, 12.69}
400
The graph of 2x - 3y =6
Show Mr. Stocks
400
A graph of the function y=1/2x+3
See Mr. Stocks
400
The slope of the lines passing through the points (4,2) and (4,-1).
What is undefined?
500
Is the following a direct variation? and what is it's equation? x|y 24|4 18|3 -12|-2 -6|-1
Yes, y=1/6x
500
Domains can have the same Range.
What is True.
500
The slope of the line 4x + 10y =1.
What is -2/5.
500
The fuction rule of renting a car with a fee of $25 and .50 per mile.
What is t(m)=25+.50m
500
The value of x if you know that (4, 3) and (x, 7) are two points on a line and 2 is the slope.
What is 6.
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