Multi-step equations
What is the inverse operation for addition?
Subtraction
-1<9+n<17
-10<n<8
Solve for x: 6x+8=x-12
x=-4
Solve x: 5(x+3)=3(x+9)
What is x=6?
What is a function.
What is when the x-value does't repeat in ordered pairs?
What is the inverse operation for division?
Multipaction
7v-5>65 OR -3v-2>-2
v>10 OR v<0
Solve for x: -2x+1=3x+16
x=-3
What do you do first in a problem with distribution?
What is distribution
What is a one function?
What is when one x-value has only one y-value?
What does it mean to isolate the variable?
To get the variable by it's self
Solve for y:-2(2y+4)=3(y-12)
y=4
4a+8=3a+ 10
a=2
3x-5=-8(6+5x)
x=-1
Evaluate the function f(x)= -6x +2. Find f(4).
f(4)=-22
Solve for x: 2x-5=3
x=4
Solve for x: -3x-4(4x-8)=3(-8x-1)
x=-7
Solve for n: 9n-6=5n+18
n=6
How many solutions are there after solving the inequalites?
2 solutions
A delivery service charges a flat rate fee of $5 per delivery, plus $3 for each mile for the delivery. Write a function C(m) that represents the total cost of a delivery based on the number of miles (m).
C(m)= 3m + 5
Solve for x:7x-9=5
x=2
Solve for x:4(x+3)-2=6
x=-1
Solve for x: 17-4x=-9x-13
x=-6
p-4=-9 + p
No solution
A delivery service charges a flat rate fee of $5 per delivery, plus $3 for each mile for the delivery. How many miles can a delivery be if the total cost is $29.
8 miles