lamarissahart lamarissahart

26-04-2017
Mathematics

contestada

Solve: x2 + 4x − 12 = 0.

a. x = 2, x = −6
b. x = −2, x = −6
c. x = 3, x = −4
d. x = −3, x = 4

Respuesta :

peted170 peted170

26-04-2017

Use the quadratic formula to get A. x=2, x=-6

Answer Link

mperemsky mperemsky

26-04-2017

x^2 + 4x - 12 = 0
What factors add to give 4 and multiply to give -12? -2 and 6

(x-2)(x+6)

Answer A) x = 2 and x = -6

Answer Link

Otras preguntas

is -17 a rational number

Explain the following term - cellular respiration

Would it be a b c or d? :))

how many steps in marcotting?

PLEASE HELP EMERGENCY - A $2,500 bond eams 3% interest per year, compounded annually. a) Write a function, V, that models the value of the bond t years after it

species name for liverwort?

Please help you sort the things

What information does an equilibrium constant give about a reaction? O A. It tells how long it takes the reaction to reach equilibrium. B. It tells whether prod

Which of the following could be a hypothesis for the function of the thick, waxy coating on a pine needle? A. If the thick, waxy coating is destroyed, the pine

What was the goal of each nation fighting in WWI? A. To “wear down” the enemy B. The central powers quickly overran the allies C. The targets were usually civi