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Which equation describes the line above?
A. y= -4x-5
B. y= -1/5x-4
C. y= -5x-4
D. y= -4x-1/5

Which Equation Describes The Line Above A Y 4x5 B Y 15x4 C Y 5x4 D Y 4x15 class=

Sagot :

Answer:

y = -1/5x -4

Step-by-step explanation:

We know the y intercept is -4 since it crosses the y axis at -4

The slope is negative since it goes down from left to right

Take two points on the line

(0,-4)  and (5,-5)

We can find the slope using the slope formula

m = ( y2-y1)/(x2-x1)

    = ( -5- -4)/( 5 -0)

    = (-5+4)/ ( 5-0)

   = -1/5

The equation for the line in slope intercept form is y = mx+b where m is the slope and b is the y intercept

y = -1/5x -4