Definitions
An unknown number
What is a variable?
Solve for a: a-2=4
What is a=6?
Is this a function:
(1,2), (3,2), (5,2), (4,2)
What is YES?
Solve for x: 3x=y
What is x=y/3?
If g(x) = x+1, what is g(2)?
What is g(2)=3?
A whole number that is either positive, negative, or zero.
What is an integer?
Solve for t: t/4=5
What is t=20?
Is this a function:
(-2,4),(-1,2),(0,0),(-1,2),(1,-2),(2,-4)
What is YES?
Solve for t: t-2=s
What is t=s+2?
If h(k)=2k-3, what is h(4)?
What is h(4)=5?
A list or set of ordered pairs.
What is a relation?
Solve for x: 3x+4=3(x-1)
What is "no solution"?
Give the full definition of a function.
What is "a special relation where each input (x) has only one output (y)?
Solve for a: 2a-1=b
What is a=(b+1)/2?
If q(t)=3t, what is t when q(t)=9?
What is t=3?
A function where f(x) is your output and x is your input.
What is function notation?
Container A has 100L of water and is being filled at a rate of 2L per minute. Container B has 400L of water and is being drained at a rate of 6L per minute. How many minutes, m, will it take for both containers to have the same amount of water.
What is m=37.5 minutes?
If your x column in a table reads -3,-2,-1,0,1,1,2,3 and your y column reads -1,0,-1,0,-1,0,-1,0
Is your table a function?
What is NO?
Solve for z: 4x+2z=y
What is z=(y-4x)/2
If j(a)=2a-1, what is a when j(a)=5?
What is a=3?
An operation that also means "yields".
What is "equals"?
A full 350L can of coke is leaking at a rate of 9L per minute into an empty can. How long will it take for the two cans of coke to have the same amount?
What is 35 minutes?
Is a line on a graph at x=2 a function?
What is NO?
Solve for q: 5q+12=4q+j
What is q=j-12?
Grace initially pays $50 for a gym membership and pays an additional $15 each month for exercise classes. If Grace has spent a total of $140 for the gym, how many months has Grace been attending the gym?
What is 6 months?