Swee3D1omegarizstac Swee3D1omegarizstac

13-07-2016
Mathematics

contestada

what are the solution(s) to the quadratic equation 9x^2 = 4? a. x = 4/9 and x = -4/9 b. x = 2/3and x = -2/3 c. x = 3/2 and x = -3/2 d. no real solution

Respuesta :

nobillionaireNobley nobillionaireNobley

17-07-2016

[tex]9x^2 = 4 \\ x^2 = \frac{4}{9} \\ x= \pm \sqrt{ \frac{4}{9} } \\ x= \pm \frac{2}{3} [/tex]
solution is x = 2/3 and x = -2/3

Answer Link

Otras preguntas

Is [tex] \pi [/tex] irrational

what is a species that's no longer found on this earth called?

does anybody know the number 11 on the paper

write the number equal to 5 tens and 13 ones

Classify these substances as acidic, basic, or neutral: Vinegar, baking soda, tomato juice, sugar A. Vinegar - acidic Baking soda - basic Tomato juice - acidic

The length of one leg of an isosceles right triangle is 3 ft. What is the perimeter of the triangle? 3+3√2 6+3√2 3+3√3 6+3√3

What is MG=7x-15,FG=33,x=?

Use the information in exercise 8 to convert 7 meters per minute to yards per hour round to the nearest tenth

What does the word unreasonable mean in math ways

Solve the equation for y 7x - 5y=10