what is the constant if Julius buys 10 pieces of gum $2. He buys another 15 pieces of gum for $3. What is the constant of proportionality?
What is .2 or y=0.2x
What is 20 or Y=20x
proportional have a ____ or equivalent ratio of y/x
What is constant?
2 | 2400 the constant is 1200
True, when you divide 2400 by 2 the constant would be 1200
you get 5 points off if you missed this
y=2k
proportional because it is only multiplication
Two dozen donuts cost $18. Three dozen donuts cost $27. What is the constant of proportionality and what is the equation?
What is Y = .75x or 0.75
if figure 1 has 3 stars and figure 2 has 6 stars. What is the constant rate of change?
What is 3 or Y=3x
This constant ratio of y/x is also called ____________________.
What is Constant of Proportionality?
2 | 110 the constant is 53
False, when you divide 110 by 2 the constant would be 55
y=8x+ b
Non proportional because there is no multiplication
The table shows the amount of money made for baby sitting what is the constant? x l y 2 l 2400 4 l 4800
What is Y=12 or 12
If 2 kids have 14 papers and 3 kids have 28 papers. What is the constant rate of change.
What is 67 degrees?
In a proportional relationship, there is a _______________ relationship between x and y .
What is a multiplicative?
on a graph (2,8) and (3,12) the constant would be 4
True,when you do k= y/x k=8/2 you get 4 and 12/3 you get 4 so the constant would be 4
straight line that passes through the origin
proportional, because the line is straight and it passes through the origin
if a car traveled 110 every 2 hours and 165 every 3 hours. What is the constant rate of change?
What is 55 or Y=55x
If 9 adult tickets cost $6 and 6 adult tickets cost $4. What is the constant rate of change?
What is 2/3 or y=2/3x?
The equation for the proportional equations y=kx where x is _______ by the constant
What is multiplied?
2| 14 the equation is y=14x
False, the equation should be y=7x
y=kx
proportional because it is using multiplication.
if it takes 5 minutes to pick 20 apples and 2 minutes to pick 8 apples. What is the constant rate of change?
What is 4 or Y=4x
If it takes 4 minutes for 12 kids to get dirty and 8 minutes for 27 to get dirty. What is the constant rate of change?
what is 9/2 or y=9/2x?
In a non-proportional relationships, there is no constant of proportionality and no _________________ relationship between x and y
What is multiplicative ?
the rate of change is also the constant
True. the rate of change and the constant are the same thing they both have the formula of k=y/x
a curved line that doesn't pass through the origin
non proportional it is not a straight line and doesn't pass through the origin