3x2-4x if x=-2
What type of dot would you use to graph this symbol? <
open circle
m+12=10
m=-2
|-21| + |5|
26
(a+4) x 0 = 0
Zero Product
3 times the difference of a number m and 15 is equal to 30 (as an expression)
What is 3(m-15)=30.
Under what circumstances would you flip the inequality sign?
When you multiply or divide by a negative number
a/9 = -4
a=-36
4|m-n|
m = -7
n = 2
36
(x+2) + y = (2+x) + y
Commutative Property
ab2+c if a=2, b=4, c=7
39
Solve and graph the inequality on a white board: 3x+2<-4
x<-2
Check graph on white board
(4/9w)=-8
w=-18
from 1.10 notes
MATRICES!
3A + B - C
Values for A,B,C written on board
30 26
-11 -1
If x=-1, then -1=x
Symmetric
-y2-3xy if x=-4 and y=2
20
Solve and graph the inequality on a white board:(3/4x)+5>11
x>8
6x+8=50
x=7
from 1.10 notes
Combine like terms: 4x2 -7+2x-3x2+8x-6
x2+10x-13
from 1.7 notes
-28=-28
Reflexive Property
x2 - 2(x-y) - z3 if x=-3, y=4, and z=-1
24
Solve and graph the inequality on a white board: 4-(1/3x) > 11
x<-21
Check graph on white board
4=(w+8)/9
w=28
from 1.10 notes
Evaluate using order of operations: 7[42-6|5+(23-18)+16/8|]
WITH ALL CORRECT STEPS!!
=7(-2)
= -14
8x^2 x 1 = 8x^2
Identity Property