Functions
Rational & Irrational
Linear Equations & Inequalities
Quadratic Equations
Sequences
100
How can we determine if something is a function?
The x-values CANNOT repeat
100
How can you tell when an expression is irrational?
-There is a non-repeating and non-terminating decimal that CANNOT be turned into a fraction.
-non-perfect square
100
The inequality y < 2x+5 would have a solid or dashed line when graphed?
Dashed
100
What is the name of the shape of a quadratic?
parabola
100
Is the following sequence of numbers Arithmetic or Geometric?
55, 65, 75, 85, 95 ....
Arithmetic - Adding 10 each time
200
Is this relation a function?
(1,5) (2,6) (3,6) (4,7)
yes
200
The number 0.14114111411114 . . . is
irrational
200
What is the formula for a line in slope-intercept form?
y=mx+b
200
What is the vertex of the quadratic equation
y = x2 - 2x + 3
(1,2)
200
What is the common ratio of the sequence:
80, 40, 20, 10, 5, ....
1/2 OR 0.5
300
Is the graph below a function?
NO - Fails the VLT (Vertical Line Test)
300
D
300
What is the slope and y-intercept of the equation:
2y = 4x + 8
slope: 2
y-intercept: (0,4)
300
Factor: 2x3 + 10x2 + 4x
2x (x2 + 5x + 2)
300
Find the 7th term of the sequence given by the equation an = 5n + 2
a7 = 37
400
If f(x)=x2 + 3x ; What is f(-3)?
0
400
3)
400
The formula V = 1/3Bh can be used to find the Volume of a pyramid. What is the formula for B in terms of V and h?
B = 3V/h
400
Factor Completely:
5x2 - 10x + 5
5(x-1)(x-1) OR 5(x-1)2
400
Write the equation for the following arithmetic sequence:
4, 6, 8, 10, ......
an = 4 + 2(n-1) OR an = 2n + 2
500
If the function g(x)= 4x+7 is defined on the domain [-2,5] ; Find the range of the function.
(-1,3,7,11,15,19,23,27)
500
State whether 7sqrt3 - sqrt2 is rational or irrational
irrational
500
What is the solution to the system of equations:
2x + 5y = 19
y = 3x - 3
(2,3)
500
What are the zeros of the equation
x2 - 2x -3 = 0
x={-1,3}
500
Write the equation AND find the 10th term of the following sequence:
4, 12, 36, 108, .....
an = 4(3)n-1
a10 = 78,732