Slopes and Linear Equations
Linear Equations in two variables (x,y)
b = y - mx
** neither the slope ( m) nor the y-intercept ( b)
are visible in general/standard form :
Slope formula:
Equation: = , solid line ONLY, NO Shading
y - axis
y - axis
x - axis
x - axis
y - axis
y - axis
x - axis
H:
O:
Y:
Inequalities : > , < dashed/dotted lines; then shade
1‐variable
○ , ○ open circle; then shade le or right
) , ( always use with infinity ±∞
x - axis
V:
U:
X:
≥ , ≤ solid lines; then shade
● , ● closed circle; then shade le or right
],[