Show:
Direct Variation!
Partial Variation!
Slope!
Rate of Change!
Slope, Variation, First Differences!
100
In a linear relation, the variable whose value depends on another variable.
What is a dependent variable?
100
The y intercept value of a partial variation!
What is an initial/fixed value?
100
Distance between two points on the y axis!
What is rise?
100
Rate of change!
What is the change in one variable relative to the change in another?
100
They tell us whether a relation is linear or not linear!
What are first differences?
200
A constant multiple that determines the value of the dependent variable!
What is a constant of variation?
200
The equation of a line!
What is y=mx+b?
200
"run"!
What is the distance between two points on the x axis?
200
The rate of change of a linear relation (between variables x and y) with slope m= - 2/3!
What is "For every increase of 3 in x, y decreases by 2"?
200
The first differences of the relation where a house painter charges $400 plus $200 to per room to be painted!
What is $200?
300
The equation that describes distance of a bus travelling 24km per hour!
What is d=24t?
300
The equation of a line with slope of 3 and y intercept of 5!
What is y=3x+5?
300
A second point on the line that passes through the point (6, 2) with slope 5!
What is (7,7)?
300
Rate of change of distance travelled!
What is "change in distance/change in time"?
300
The slope of a ramp that is 5 m long and 2 m high!
What is m=2/5?
400
The equation that describes the cost of oranges where 2 kg of oranges costs $5, where C is cost and m is total mass!
What is C=2.5m?
400
The equation of a line that represents the price of a pizza that costs $7 plus $1.50 per topping!
What is y=1.50x+7?
400
The slope of a line that passes through the points (2,7) and (5,3)!
What is m= - 4/3?
400
The rate of change of the linear relation represented by a straight horizontal line?
What is "The value of y is a constant for any value of x"?
400
The total cost of a computer repair that takes 3 hours, if the price is $60 +$50/hour!
What is $210?
500
y=20x+130, where y represents total cost of watching a musical and x represents the number of musicals!
What is a fixed cost (membership fee) of $130 and a membership discount fee of $20 per musical?
500
The slope of a horizontal line!
What is m=0?
500
The rate of change of a relation represented by y=5!
What is "For any value of x, y is always 5!"
500
The rate of change of Raymond's growth if he grows 11cm every two months!
What is m=11/2?