Answer:
73480
Step-by-step explanation:
Addition by place value
(2-7i)(9+5i)
18+10i-81i-35i^2
The answer is 35i^2 - 71i +18
Answer:
y =
x - 3
Step-by-step explanation:
The equation of a line in slope- intercept form is
y = mx + c ( m is the slope and c the y- intercept )
To calculate m use the slope formula
m = ( y₂ - y₁ ) / ( x₂ - x₁ )
with (x₁, y₁ ) = (- 22, - 14) and (x₂, y₂ ) = (- 18, - 12)
m =
=
= 
y =
x + c ← is the partial equation
To find c substitute either of the 2 points into the partial equation
using (- 22, - 14), then
- 14 = - 11 + c ⇒ c = - 14 + 11 = - 3
y =
x - 3 ← in slope- intercept form
Answer: f(30) = -1
You would substitute every X with 30
2n n2 3n 2x 2n 3n x 3 x 2x 3n 3x