Seudónimo Seudónimo
  • 22-05-2021
  • Mathematics
contestada

if 2 is a zero of the polynomial px = 2x² - 3x + 7a find the value of a​

Respuesta :

Аноним Аноним
  • 22-05-2021

Answer:

[tex]x = 2 \\ f(2) = > 2( {2})^{2} - 3(2) + 7a = 0 \\ 2 + 7a = 0 \\ 7a = - 2 \\ a = - \frac{2}{7} [/tex]

Answer Link
msm555
msm555 msm555
  • 22-05-2021

Answer:

If 2=0 than x=2

p(x)=2x² - 3x + 7a

p(2)=0

2*2²-3*2+7a=0.

8-6+7a=0

a=[tex] \frac{-2}{7} [/tex]

Answer Link

Otras preguntas

A small child has a wagon with a mass of 10 kilograms. The child pulls on the wagon with a force of 2 newtons. What is the acceleration of the wagon?
Which sentence does not contain any punctuation errors? A. I thought of you when I read these words of Shakespeare; “The fool doth think he is wise, but the wi
without multiplying determine which expression has a product greater than 52,678A) 5/6 x 52,678B) 9/9 x 52,678C) 4/3 x 52,678D) 3/5 x 52,678How can I tell just
where does england get its natural resources
10 lines on Good manners for class 1 student
What city was hephaestus patron of ???
There are 376 stones in three piles. The second pile has 24 more stones than the first. The third pile has twice as many stones as the second. How many stones i
How do you do 81x^2=49
Comflict between Ralph and Jack quotes ?
A small child has a wagon with a mass of 10 kilograms. The child pulls on the wagon with a force of 2 newtons. What is the acceleration of the wagon?