vi7sfaloveshani vi7sfaloveshani

14-06-2016
Mathematics

contestada

Without graphing is the system independent, dependent, or inconsistent?
-2x-y=9
3x-4y=-8
Could someone please explain

Respuesta :

HomertheGenius HomertheGenius

21-06-2016

y = -2 x - 9
3 x - 4(-2 x - 9 ) = -8
3 x + 8 x + 36 = - 8
11 x = - 44, x = - 4
y = 8 - 9 , y = -1
This is a unique solution, the system is independent.

Answer Link

Otras preguntas

solve this: a triangle has an engle of 38. this is a scalene right triangle. one of the sides are 8 in length. what are the other angles?

What would be the yearly earnings for a person with $4,400 in savings at an annual interest rate of 3 percent

How does place affect a person's identity?

Find the GCF of 66 yx, 30.x²)

please help solving.

Classify the chemical equations as being balanced or not balanced. CaO + 3C → CaC2 + CO Na + H2O → 2NaOH + H2 4Fe + O2 → 2Fe2O3 2Mg + O2 → 2MgO

Use a power series to approximate the definite integral, I, to six decimal places. 0.1 x arctan(5x) dx 0.

through: (3, 3) and (-5, 4)

In triangle ABC we have angle C = 3 times angle A, a=27 and c=48 What is b? Note: a is the side length opposite A etc. please help

How many terms are in the expression shown below? 5x + 3y - 6