Multi-step equations
What is the inverse operation of addition?
Subtraction
How do you know that it's equal too?
The sign will have a line under it.
What is a function.
When the x-value in a relation in ordered pairs doesn't repeat.
Solve x: 6x+8=x-12
x=-4
Solve for x: -8=-(x+4)
x+12
Solve for x: 2x-5=3
x=4
Which one is the less than sign
1.) <
2.) >
Number one is the less than sign.
What is a one to one function?
When one x-value has only one y-value in a function. It has to be a function before it can be one to one.
Solve for n: 9n-6=5n+18
n=6
What do you do first in a problem with distribution?
You will distribute first.
What is the inverse operation of multiplication?
division
How many solutions are there after solving the inequalities?
What is 2 solutions?
What are the ranges?
(4,7), (9,7), (3,2), (8,5)
R={7,2,5}
Solve x: -3-17x= 52 -6x
x=-5
Solve x: 4(x+3)-2=6
x=-1
What does it mean to isolate the variable?
That means to get the variable by itself.
What type of inequality will lead to no solution?
What is when equal to a negative?
If a number repeats in the x or y values do you write it more than once?
No you just write it one time.
Solve x: 5(x+3)=3(x+9)
x=6
Solve y: 3(y+2) + y =-14
y=-5
Solve for x: 4x+ 6 + 3=17
x=2
How many problems are there in in this 7<= 4x =3 < 23 inequality?
There are two
Are 6,5,4 the ranges in these ordered pairs?
(6,3), (5,9), (4,8)
No those are the domains.
Solve x: 17-4x=-9x-13
x=-6
Solve x: -3x-4(4x-8) = (-8x-1)
x=-7