alen9ziecaeding alen9ziecaeding

23-11-2016
Mathematics

contestada

solve the quadratic equation x2 – 14x + 40 = 0

Respuesta :

apologiabiology apologiabiology

29-11-2016

what 2 numbers multiply to get 40 and add to get -14
-10 and -4

(x-4)(x-10)=0
set to zero

x-4=0
x=4

x-10=0
x=10

x=4 and 10

Answer Link

Otras preguntas

Use the distributive property to write two different expressions that are equivalent to 3xy + 6yz.

how many grams of our brain?

Write an exponential function for a graph that passes through the points (2, 1.4) and (4,5.6)

Calculate the wavelength of an electromagnetic wave with a frequency of 7.14 x 1014 Hz.

Please help my math Complete the table

the weight of a baby increase from 1kg to 7kg. what was the percentage change?

Why should a country's economy be based on more than one major commodity?

For each ordered pair, determine whether it is a solution to y = -2. Is it a solution? Х $ ? Yes No (-8,-2) Start over (5.6) o (3.-2) (-2, 1)

help help help plz pretty plz

In a fraction, the numerator is 12 less than the denominator. When simplified, the fraction is equal to 3/5 . What is the fraction before it is simplified?