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consider the following graph of a linear function. Which equations have the same slope as the graph above?

consider the following graph of a linear function Which equations have the same slope as the graph above class=

Respuesta :

The slope of the graph is -3/2.

The following graphs also have a slope of -3/2.

y = (12 - 6x) / 4

-4y = 6x + 4

2y + 3x - 5 = 

To check these, put them in slope intercept form first. 

Answer:  The correct options are

(A) [tex]y=\dfrac{12-6x}{4},[/tex]

(D) [tex]-4y=6x+4,[/tex]

(E) [tex]2y+3x-5=0.[/tex]

Step-by-step explanation:  We are given to select the equation that has the same slope as the given graph.

We can see that the graph is a straight line. And, (0, 2) and (-4, 8) are two points on the line graph.

So, the slope of the line in the graph will be

[tex]m=\dfrac{8-2}{-4-0}=\dfrac{6}{-4}=-\dfrac{3}{2}.[/tex]

We know that the slope-intercept form of a straight line is

[tex]y=mx+c,[/tex]

where m is the slope of the line.

Option (A):

The given equation of the line is

[tex]y=\dfrac{12-6x}{4}\\\\\\\Rightarrow y=-\dfrac{3}{2}x+3,[/tex]

so the slope of the line is [tex]-\dfrac{3}{2}.[/tex] Since the line has same slope as the one that is graphed, this option is correct.

Option (B):

The given equation of the line is

[tex]y=-3x+2,[/tex]

so the slope of the line is [tex]-3.[/tex] Since the line has different slope from the one that is graphed, this option is NOT correct.

Option (C):

The given equation of the line is

[tex]y=-\dfrac{2}{3}x,[/tex]

so the slope of the line is [tex]-\dfrac{2}{3}.[/tex] Since the line has different slope from the one that is graphed, this option is NOT correct.

Option (D):

The given equation of the line is

[tex]-4y=6x+4\\\\\\\Rightarrow y=-\dfrac{3}{2}x-1,[/tex]

so the slope of the line is [tex]-\dfrac{3}{2}.[/tex] Since the line has same slope as the one that is graphed, this option is correct.

Option (E):

The given equation of the line is

[tex]2y+3x-5=0\\\\\\\Rightarrow 2y=-3x+5\\\\\\\Rightarrow y=-\dfrac{3}{2}x+\dfrac{5}{2},[/tex]

so the slope of the line is [tex]-\dfrac{3}{2}.[/tex] Since the line has same slope as the one that is graphed, this option is correct.

Thus, the correct options are

(A) [tex]y=\dfrac{12-6x}{4},[/tex]

(D) [tex]-4y=6x+4,[/tex]

(E) [tex]2y+3x-5=0.[/tex]