Answer :
Gradient = Slope = coefficient of x
Thus ;
Gradient = Slope = 5
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Vertical axis = y -axis
To find the y-intercept of the equation we must put zero instead of x .
Let's do it.....
[tex]y = 5x + 30[/tex]
[tex]y = 5(0) + 30[/tex]
[tex]y = 30[/tex]
So the y-intercept is 30 .
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And we're done.....♥️♥️♥️♥️♥️