erikadawn2001 erikadawn2001

17-08-2020
Mathematics

contestada

Which of the following are solutions to the equation below?
Check all that apply.
X^2+18=-9x

Respuesta :

oscar236 oscar236

17-08-2020

Answer:

The solution set is {-3, -6}.

Step-by-step explanation:

x^2 + 18 = -9x

x^2 + 9x + 18 = 0

(x + 3)(x + 6) = 0

x = -3, -6.

Answer Link

Otras preguntas

Question 1One mole of C_2H_6OC 2 H 6 O has two moles of Carbon (C), six moles of Hydrogen (H) and one mole of Oxygen (O). How many moles of Hydrogen is in 0.2

Can you pls help me in doing this 9 question

Which of the following ordered pairs is not a solution of the system of inequalities? y> x² - 4x-5 y< -x - 5x+6 OA) (1,-5) B) (-1,6) OC) (1, -7) OD) (1,7)

Kim is running in a marathon to raise money for a charity. She will run 26 kilometres. Her boss says she will double the total amount she collects from her coll

Explain the process of management decision-making and explore the extent to which subordinates may participate in the process

How would you limit the domain to make this function one to one? f(x) = 5-x² Your answer will be the point to which you would limit the function. So if you woul

Algebra 2 - Composition Functions#4-6: let f(x)= 5x^3-2x and g(x)= 3x^3. Perform the indicated operation.

What is the sum of the polynomials? (6x+7+x²)+(2x²-3) O-x²+6x+4 O3x²+6x+4 O9x + 4 O gx² +4

Drag the tiles to the correct boxes to complete the pairs. Not all tiles will be used. A group of high school students were surveyed about which type of movie t

Question 17 The plot of a new reality tv show pits celebrities against one another in a baking competition. On one episode, a famous sushi chef squares off agai