andrealyn3744 andrealyn3744

22-06-2021
Mathematics

contestada

4x^2-400=0

square roots and solving quadratics

Respuesta :

Аноним Аноним

22-06-2021

Answer:

x = ±10

Step-by-step explanation:

4x² - 400 = 0

Add 400 to both sides

4x² = 400

Divide both sides by 4

x² = 100

Take the square root of both sides

x = ±10

Answer Link

Otras preguntas

Type the correct answer in the box

Solve for x Write the smaller solution first, and the larger solution second. x^2+12x+32=0 smaller x= larger x=

The sum of two numbers is thirty seven. Using x to represent the larger of two numbers, translate “the difference between nine more than twice the larger number

Read the passage to determine the meaning of the word humanities. Studying the humanities, such as art, literature, and philosophy, can help you understand an a

Five friends attend a matinee movie and spend $8 per ticket. They also purchase a small bag of popcorn each. If the friends spend a total of $62.50, how much do

Four times the larger of two numbers is equal to seven times the smaller the sum of the numbers is 22 find the numbers

If a wooden block were cut into eight identical pieces the density of each piece compared to the density of the original block would be

Which of the following graphs could be the graph of the function f(x) = x4 + x3 – x2 – x?

Have a bitter taste, feel slippery, and are proton receptors

write an introduction about the causes of poor student performance