pinkster104 pinkster104

23-03-2016
Mathematics

contestada

What are the roots of the quadratic equation 0= 8x^2+14x ?

Respuesta :

RASEA23 RASEA23

23-03-2016

8x^2+14x=0
Take 2x as a common factor:
2x(4x+7)=0
Take 2 cases:
2x=0 or 4x+7=0
2x=0 x=0
4x+7=0 4x=-7 x=-7/4

The roots are 0 or -7/4.

Hope this helps :)

Answer Link

Otras preguntas

Over the past 50 years, the South has undergone a change from an agriculture-based economy to an industry-based economy. This change is known asA)manufacturing.

Sarah wrote that (3^5)^7 = 3^12. Correct her mistake. Write an exponential expression using a base of 3 and exponents of 5,7,12 that would make her answer corre

Find the equation of the line that passes through the points (-800,200)and(-400,300).

What is the percentage of water in the hydrate CoCl2 • 6H2O? Can someone help me with this one?

1. Which is an example of an algebraic expression? 4(3 + 8)1823 – a21 • 42. Which is an algebraic expression for 5 more than z? 5zz + 55z + 55 – z3. Which w

If Earth were twice as far from the sun, the force of gravity attracting the Earth to the Sun would bea. twice as strongb. half as strongc. one-quarter as stron

solve using logs 5^(3x-6)=125

What is the main idea of Truman's statement about the use of atomic weapons?

what is the difference between to and too?

Which sentence does not contain any errors in comma usage? A. The Grand Canyon is just