sydfred
sydfred
15-02-2019
Mathematics
contestada
X^2+8x+12=0. Solve using quadratic formula
Respuesta :
MonsieurPengu
MonsieurPengu
15-02-2019
D = b^2-4ac, thus D = 64 - 4*12 = 16
Now is x = -b +- sqrt(D) / 2a, or x = -8 +- sqrt(16)/2, giving respectively -2 and -6
So x = -2 or x = -6
Answer Link
VER TODAS LAS RESPUESTAS ( 69+ )
Otras preguntas
What's the answer to -15+n=-9
An equation is shown below: −2(4x − 1) − 7 = 5 Which statement shows a correct next step in solving the equation? A)The equation can become −2(4x − 1) = −2 by a
Immigration currently accounts for about _______ of U.S. population growth. A. one-half B. a quarter C. one-third D. three-quarters
For the function f(x) = (x − 2)2 + 4, identify the vertex, domain, and range. a. The vertex is (–2, 4), the domain is all real numbers, and the range is y ≥ 4.
Ann took a taxi home from the airport. The taxi fare was $2.10 per mile, and she gave the driver a tip of $5. Ann paid a total of $49.10. Write an equation to d
What is the answer to 3+p=8
true or false latitude is measured in miles
Find the x-intercept and y-intercept of the line. 2x-4y=8
What's the answer to -15+n=-9
Find the x-intercept and y-intercept of the line. 2x-4y=8
