AnimeKingz
AnimeKingz AnimeKingz
  • 20-02-2018
  • Mathematics
contestada

The Value of x in the system of equation at the right is -2 what is the value of a? use elimination to help you find the value. ax + 4y = 6
2x - 4y = -16

Respuesta :

s1m1
s1m1 s1m1
  • 20-02-2018

2x-4y=-16
ax+4y=6      +
--------------------
2x+ax=-10;     for x=-2, 
2(-2)+a(-2)=-10
-2a=-10+4
a=-6/-2
a=3
Answer Link

Otras preguntas

Which painting is an example of the wet-on-wet and wet-on-dry technique?
#13 please and thank you so much
The Dawes Act of 1887 was associated with what Native American policy?
which equation is a linear function? (a)y=2×-1 (b) y=x/2-5 (c) y=x power of 2+7 (D) 2/x+3
What is the word form of the decimal number 8.00707
[tex] {x}^{2} - 8x + 15[/tex]
In which area or areas on the image does the salinity of the ocean increase? 1 2 3 1, 2, and 3 none of these
What is y? What is x? What do you use to find them?
A Geiger counter is used to measure: the mass of atoms radioactive intensity radioactive direction the speed of gamma rays
Which of the following people was not a famous TV star from the 1950s? A.) Lucille Ball B.) Gloria Swanson C.) Red Skelton D.) Jack Benny