What's It Look Like?
y = 3x
What is a line going through the origin, has a positive slope, and goes through the first and third quadrants.
Given the function y = 2x2, what happens to y if x is doubled?
What is y multiplied by 4?
y = 10x
What is directly?
What is the domain and range for y = 3/4 x?
What is {x: x = R} and {y: y = R}
You have two function y = 2x and y = -1/2 x. How do their graphs compare?
The line with the negative slope goes down and the line with the larger slope will be steeper.
y = -5x
What is a line going through the origin, has a negative slope and will go through the second and fourth quadrants?
Given the function y = 4x, what happens to y when x is doubled?
What is y doubled or multiplied by 2?
y = 15/x
What is inversely?
What is the domain and range for y = 12x2?
What is {x: x = R} and {y: y > 0}
Suppose you have the two functions y = 6x2 and y = 1/6 x2. How do their graphs compare?
The line with the larger slope will be steeper.
y = -6x^2
What is a parabola opening downward and has a vertex or maximum point at (0, 0).
Given the function y = -5x2, what happens to y when x is doubled?
What is y multiplied by 22 or 4?
y = -4x2
What is directly?
What is the domain and range for y = 3/x?
What is {x: x is not equal to 0} and {y: y is not equal to 0}
Ashlee and Sam are trying to balance on a seesaw. Their weight is inversely proportional to how far they should sit from the middle. Suppose Same, who weights 42kg, is sitting 2 meters from the pivot. Find the constant of variation.
What is k = 84?
y = 4/x
What is a hyperbola in quadrant 1 and 3.
Given the function y = 6/x, what happens to y if x is doubled?
What is y divided by 2 or multiplied by 1/2.
y = 2xm2
What is joint variation?
What is the domain and range for y = -6x2?
What is {x: x = R} and {y: y < 0}
The volume of a solid with a circular base varies jointly with the square of the base radius and the height. The formula is V = pihr2/3. What is our "k" in this formula?
What is pi/3?
y = 5/x2
What is a inverse-square variation with two branches in quadrants 1 and 2.
Given the function y = -2/x2, what happens to y if x is tripled?
What is y divided by 9 or multiplied by 1/9?
y = 14xm2/z2
What is combined variation?
What is the domain and range for y = -7/x2?
What is {x: x is not equal to 0} and {y: y < 0}
Use the model d = 4.9t2 to predict the distance (in meters) that a free-falling ball will fall in 4.5 seconds.
What is 99.2 meters