What kind of sequence is here?
2,4,6,8,10
Arithmetic
Solve the following equation:
2(x-4)= 3x-10
x=2
3x -4x3 +6y -2x +4y - 4x3
8x3 +1x +10y
The domain of a function includes which values?
X values
Is the following a function?
(-1,2) (0,0) (1,2) (2, 3)
Yes
41, 50, 59, 68....
122
Solve the following equation:
(x+18)2 =144
x= -6
Subtract (-3x2 -10x -6)
from (8x2 -2x +3)
11x2 +8x +9
y values
Is the following a function?
x3+9x-14?
Yes
What is the common ratio of this sequence?
1, 5, 25, 125, 625
r=5
3(x-12)>36
x>24
Find the product of (4x-1)2
16x2 -8x +1
What is the domain of the following function?
y= |x| - 2
All real numbers
12x2 -38x + 20
What is the explicit formula for the following sequence?
30, 27, 24, 21....
An= 30 -3(n-1)
Solve the following:
4x+6=5(3x+10)
x=-4
Factor Completely: 25x4 -10x5 +50x
-5x( 5x3 -2x4 +10)
What is the range of the function y= x2-4x+1?
y>1
How many roots/zeros are in the following equation?
x2-2x+1=0
2 Roots
Find the 18th term for the sequence shown below:
2, 6, 18, 54...
____
-55
Factor the following polynomial: x2 -10x -24
(x-12)( x -2)
What is the range of the function y= 2x- 1 over the domain of {-1<x<4}?
(Hint! Use your calculator)
{-3<y<7}
(How to solve: Graph the line and see which y values the line touches)
What are the roots of the following function?
f(x)= x2 _6x +5
x= 5 and x= 1