 |
2.18 x 10-4
2,200,000
|
Change to slope-intercept
form 3y 9x =
27 |
The sum of two numbers is six
hundred thirty two. The difference between them is two hundred forty
six.
What are the numbers? |
|
Solve by substitution: 2x + 3y =
17 y = x -
1 |
Solve by
addition: 4x + 2y =
32 5x 2y =
13 |
Let A = { 1,
2, 3,
4,
5 } , B = {-5, -4, -3, -2, -1} and C = { -2, -1, 0, 1,
2}
Use roster
notation
for
A Union
B
C
Intersect A
Graph this
conjunction
-4 <= x
and x
<= 2
|_____|_____|_____|_____|_____|_____|_____|_____|_____|_____|____
_|_
Graph this
disjunction
x <= -2 or
x
=>
4
|_____|_____|_____|_____|_____|_____|_____|_____|_____|_____|____
_|_
Simplify
|
x2 + 4x +
4
x2 4 |
6x3y2 3xy |
x2+6x
27 x2 -
9 |
x + 6
times x2
+ 5x + 6
x + 3 x2
+ 7x + 6
x
+ 2
x2 - x 6
|
x+2 plus 3x
+
10 4
8 |
x-3
minus 2x + 4
2x
x 1 |