naeshayelewis naeshayelewis
  • 25-09-2021
  • Mathematics
contestada

Where do the lines defined by the following
system intersect?
x = 2y
3x – 4y = 8
A. (8,4)
B. (4,2)
C.
D. (-4,-2)

Where do the lines defined by the following system intersect x 2y 3x 4y 8 A 84 B 42 C D 42 class=

Respuesta :

jimrgrant1 jimrgrant1
  • 25-09-2021

Answer:

A

Step-by-step explanation:

Given the equations

x = 2y → (1)

3x - 4y = 8 → (2)

Substitute x = 2y into (2)

3(2y) - 4y = 8

6y - 4y = 8

2y = 8 ( divide both sides by 2 )

y = 4

Substitute y = 4 into (1) for corresponding value of x

x = 2(4) = 8

The lines intersect at (8, 4 ) → A

Answer Link

Otras preguntas

The sides of ∆ABC are 30 units, 40 units, and 60 units long. The corresponding sides of ∆XYZ are r times as long as the sides of ∆ABC. The expression that gives
the aspects of a specific location that make people want to move away are called what
How many milliliter are in one liter
what causes a solution to a rational equation to be an extraneous solution? when there is more than one solution, one of the solutions is extraneous. if a solut
From the novel Lord of the Flies, Who did by getting hit in the head with a boulder? A) Piggy B) Ralph C) Simon D) Jack
describe the effects of weathering on a cliff
describe the effects of weathering on a cliff
In the sequence of events in a morality tale, which event happens first?
the integer a is even and the integer b is odd. which of the following integers will be even: a) (a b)2 b) a2-b2 c) 2a b d) a 2b e) none of the above
even though it is not a requirement,many american men