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Please check the explanation.

Step-by-step explanation:

1)

From the graph, taking the two points

(3, -5)

(-3, 5)

The slope between (3, -5) and (-3, 5) will be:

Therefore, the slope is:

2)

1ST METHOD

We know that the y-intercept of the graph of the linear function can be determined by setting x=0 and solving for y

From the graph, it is clear that:

at x=0, y=0

Thus, the y-intercept is: (0, 0)

2ND METHOD

We know that the slope-intercept form of the line equation is

where 'm' is the slope and 'b' is the y-intercept

substituting the point (3, -5) and m=-5/3 in the slope-intercept form

Thus, the y-intercept is: (0, 0)

3)

We know that the slope-intercept form of the line equation is

substituting m=-5/3 and b=0 to determine the equation line in the slope-intercept form

Therefore, the equation line in the slope-intercept form is:

where m=-5/3 and b=0

19.side- angle- side

20. angle- side- angle

step-by-step explanation: