kyhiem84 kyhiem84

24-04-2020
Mathematics

contestada

Solve the following quadratic equations by completing the square.
a. x^2+ 6x + 7 = 0

Respuesta :

24-04-2020

Answer:

x=-3±[tex]\sqrt{2}[/tex]

Step-by-step explanation:

x^2+6x=-7

x^2+6x+9=-7+9

(x+3)^2=2

x+3=±[tex]\sqrt{2}[/tex]

x=-3±[tex]\sqrt{2}[/tex]

Answer Link

Otras preguntas

The interior angles of a triangle have measures 100°, (4y+25)° , and (3y+20)° . What is the value of y?

Which option best describes the role of citizens in a democracy? A. To encourage the government to shift toward anarchy B. To follow the laws and orders o

Enter the word that best completes the sentence. Word Bank regard respect adore essential critical necessary It is ------ to bring your own lunch bec

What is the measure in radians for the central angle of a circle whose radius is 9 cm and intercepted arc length is 7.2 cm? ? Radians

maria bought 1224 cm of ribbon for her art picture at $0.75/m. how much did she pay for ribbon, to the nearest cent?

The declaration of the right of man issued during the French Revolution of 1789

Go Math 10.8 Changing Dimensions need help

Control involves _____________, by definition. A. dysfunctional conflict B. preventive or corrective actions C. strategic planning D. management ethics

Why did the southern states want to control their own foreign trade?

Stephanie finances $423,000 with a 20/5 balloon mortgage at 4.45%. How much will she pay for principal and interest over the life of the loan? Can someone show