Is the following graph a function?
Not a function
Is the following function linear or non-linear?
y = 2x +1
What is linear?
4x + 3 = 7
x = 1

The solution to this equation.
What is (-1,1)?
Solve the system of linear equations by elimination
-x+y=4
x+3y=4
(-2,2)
Is the following line a function? If so be specific what kind of function.
What is a non-linear function?
Is the following function linear or non-linear?
y = x2 + x + 1
What is non-linear?
Solving Equations
x - 2 = 6
x = 8
The solution to this system

What is No Solution?
Solve the system of linear equations by substitution.
6x-9=y
y=-3x
(1,-3)
Is this a function and why?

What is no, because x's repeat at 8?
Based on the graph of the function, what is f(4)?

f(4) = -2
3(𝑥 − 9) = −3
x = 8
Solve the system of linear equations.
y=-6x-8
y=-6x+8
What is No Solution?
Solve the system of linear equations by elimination
10x-9y=46
-2x+3y=10
(19,16)
Does the following table represent a function?
x f(x)
1 2
2 5
6 2
2 9
5 1
What is No, because the input (x) of 2 has two different outputs (y)?
Find the f(x) if f(10)
f(x) = 2/5x + 4
What is 8
14 = (3a + 6) + 2
a=2
Lines that have no solution
What are parallel lines?
Solve the system of linear equations by elimination
-2x-5y=9
3x+11y=4
(-17,5)
Is the following line a function. If so, what kind of function.
What is No, not a function?
y= 1/x +2
What is Non-Linear?
-21 = 7(5k - 8)
k = 1
Lines that have one solution
What is intersecting lines?
Solve the system of linear equations by elimination
12x-7y=-2
8x+11y=30
(1,2)