Simple Arithmetic
5+4
9
Graph the slope y=2x+3. What is the second point?
(1,5)
What method requires you to make an approximation after graphing?
The graphing method
5x+15<10
x<-5
What is an Irrational Number?
A number that can not be written as a fraction.
19-15
4
what is the equation in slope intercept if the line passes through (0,6) and (-4,2)
y=-2+6
What method requires you to plug in X for Y or vice versa?
The substitution methog.
After analyzing the problem what should the student do ro isolate the variable?
Reverse PEMDAS
What is the Elementof a set?
An item.
-25-30
-55
after plotting the Y- Intercept,what should you do next?
Use the slope to find the next plot point.
Y=-2x-4 Y=.5x+6
Find the intersection.
(-4,4)
6(-3x+1)<30
-1.444
What is the subsitution property of equality.
If X=Y then X can subsitiute in for Y in any equation.
16*9
144
what method would you use to find the slope in an equation?
you would use the slope formula.y-y/x-x
Y=3x+1
6x-2y=-2
-2=-2
Infinite Soulitions.
3x+1<7x-15
x<4
What is an Identity?
An Equitaion with infinite soultions.
149
when finding the slope intercept form how would you go about finding the intercept.
You would use the slope and one point to isolate B
X+3y=7
2x+2y=6
(1,2)
6x+5<4x+11
x<3
What is the linear inequalitites in two variables?
an inequality containing two variables.