Does the following equation show exponential growth or decay? y=2(1.2)^x
What is exponential growth?
100
What is the mean of 12,14,14,18,27
What is 17?
200
The y-intercept of the line y=2x+3
What is 3?
200
5x+2=2x-4
What is x=-2?
200
Describe the translation of the graph of y=(x+2)^2 -3
What is 2 units left, and 3 units down?
200
Change from log to exponential form: log5 25=2
What is 5^2=25?
200
In a class of 20, how many ways can 4 students be chosen for a homework committee?
What is 4845?
300
Given the graph of the linear equation y=1/2x + 3, if I plot the first point at 3 on the y axis, where should I plot the next point? Describe which direction to go.
What is UP 1, RIGHT 2?
300
Solve the inequality 2x-1>3
What is x>2?
300
Where is the vertex of the parabola given y=(x-2)^2 +1
What is (2,1)?
300
Evaluate using change of base formula: log3 81
What is 4?
300
Evaluate using your calculator 6P2
What is 30?
400
Simplify the expression and determine if it is a linear or quadratic expression: 4x+2x^2 -3x - 2x^2 +10
What is x+10 and linear?
400
Solve the equation l x+2 l = 4. Don't forget to set up TWO equations to get TWO answers!
What is x=2 and x=-6?
400
If f(x)=x^2 +3x + 1, find f(2)
What is 11?
400
You invest $200 in an account that earns 11% interest per year. How much is in the account after 3 years? Use y=c(1+r)^t
What is $273.53?
400
What is the median of the data set: 2, 8, 12, 12, 14, 18
What is 12?
500
Solve the system by graphing, in other words find the intersection point of the lines y=2x-3 and y=-2x+1. Use graph paper?
What is (1,-1)?
500
Given f(x) = x + 2 and g(x) = x^2, find f( g(3) )
What is 11?
500
The height, h, above ground after t seconds of a model rocket can be found using the function h(t)=150t-16t^2, what is the height in feet of the rocket after t=2 seconds? Don't forget units!
What is 236 ft?
500
Solve the equation for x:
2.1^x=10. Hint: Change to log form first
What is x=3.1?
500
For Which arrangement does the order matter? Permutation or Combination?