savannayost37 savannayost37
  • 23-01-2020
  • Mathematics
contestada

How many solutions does this system of
equations have?
3x + 2y = 6
-4x+6y= 15

a.exactly one

b.exactly two
c.none

d.infinitely many​

Respuesta :

texaschic101
texaschic101 texaschic101
  • 23-01-2020

Answer:

Step-by-step explanation:

3x + 2y = 6

2y = -3x + 6

y = -3/2x + 3.....slope here is -3/2 and y int is 3

-4x + 6y = 15

6y = 4x + 15

y = 2/3x + 5/2.....slope here is 2/3 and y int is 5/2

different slopes, different y int means exactly ONE SOLUTION

Answer Link

Otras preguntas

Precalc question below.
What is mZA. to the rearest lienth of a degree?
Political Environment (+) Political Stability: (-) Tax Policy: Virtual company analysis application Economical Environment (-) Economic Growth: (-) Unemployment
I need with plissds operations.. area= perimeter =​
Question 5 5.1 Discuss any five strategies for promoting human rights in an inclusive education setting. Give at least two practical examples.
A Canadian city is planning to harness solar power for its energy needs. As part of the preparations, the city council has determined a formula to estimate the
find value 48+18÷3_30÷6+5​
1. The Defense Department headquarters is in
When maximizing 4x + 8y subject to 5x + 3y ≤ 30, x ≥ 0, y ≥ 0, what are the corners of the feasible region? Select one: a. (6,0); (0,10); (0,0) b. (3,0); (0,3)
Suppose TE L(V, W) and v₁, V2, ..., Um is a list of vectors in V such that Tv₁, Tv2, ..., Tum is a linearly independent list in W. Prove that V₁, V2, ..., Um is