sarahmy2005 sarahmy2005

24-09-2020
Mathematics

contestada

Which is equivalent to (3 + 4i )(3 - 4i )?

Respuesta :

24-09-2020

Use the FOIL method to solve.

(3 + 4i)(3 - 4i)

(3 * 3) + (3 * -4i) + (4i * 3) + (4i * -4i)

9 - 12i + 12i - 16i

9 - 16i

Best of Luck!

Answer Link

Otras preguntas

In a year, there are 4 months that have 30 days. There are 12 months in a year. For fun: Thirty days hath September, April, June and November. All the rest have

A fuel tank is in the shape of a right circular cylinder. The radius of the base and height of the tank are 10 feet and 25 feet, respectively. Due to safety m

Write down the first 4 terms of a sequence that starts at 0 and decreases by 6 in each term.

In the absence of which of the following will photosynthesis not occur in leaves?(a) Guard cells(b) Chlorophyll(c) Vacuole(d) Space between cells

Find the equation of a line that passes through the point (0,-4) and has a gradient of 2. Leave your answer in the form y=mx+c

Red giant stars have cool temperatures. They are very bright due to their large size. Which letter on the HR diagram corresponds to the Red giants? Question 5 o

HELPP PLSS!!!!!!! Find the volume of the following objects.

Choose the correct letter from the drop-down menus.the area occupied by the algonquin was .the area occupied by the crow was .the area occupied by the cherokee

find the slope of the line below. into your answer as a fraction or a decimal. use a slash mark (/) as the function bar if necessary.

A triangle has two sides of length 11 and 12. What is the smallest possible whole-number length for the third side?