Select all the equations that have graphs with the same y-intercept.

a) y = 3x - 8
b) y = 3x - 9
c) y = 3x + 8
d) y = 5x - 8
e) y = 2x - 8
f) y = 1/3x - 8

Respuesta :

A, D, E, F all have a y-intercept of -8

The graphs with the same y-intercept of -8 is:

a) y = 3x - 8  

d) y = 5x - 8

e) y = 2x - 8

f) y = 1/3x - 8

The equation of a straight line is given by:

y = mx + b;

where y,x are variables, m is the slope of the line and b is the y intercept.

Hence given the equation below, the graphs with the same y-intercept of -8 is:

a) y = 3x - 8  

d) y = 5x - 8

e) y = 2x - 8

f) y = 1/3x - 8

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