Algebra 1
Video Resources are linked in the speaker notes
Writing a Linear Equation
Slope intercept form:
Slope:
How to solve for…
y-intercept:
1) From a graph: Look at where the line crosses the y-axis
OR
2) Plug in a point (x,y) the graph goes through into the equation y=mx+b and solve for b
Or…
Example 1:
Example 2:
A line passes through the points (-1,1) and (2,10)
m = rise
run
Solve vs Simplify
SOLVE
Making expressions smaller using GEMDAS
Getting the variable by itself
SIMPLIFY
Example: Solve the Equation 9x+2 = 4x+22
Example: Simplify the Expression (3x+5) + (14x+6)
Factoring
GEMDAS
G | Grouping ( ) { } [ ] |
E | Exponents x2 x3 |
M D | Multiplication & Division |
A S | Addition & Subtraction |
Example:
32 + 2 (8-2) - 3
Exponent Rules
Example 1 :
x3 · x5
x3+5
x8
Example 2 :
x-4
1
x4
Example 3 :
(x4)3
x12
Inequalities
Graph with DESMOS!
Radicals
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Linear Regression with Desmos
Systems of Equations