Answer:
The equation of the line with a slope of 3 and a y-intercept of 4.5 is [tex]y=3x+4.5[/tex].
Step-by-step explanation:
The equation for line is,
[tex]y=mx+c[/tex]
Where,
[tex]m[/tex] is slope
[tex]c[/tex] is y -intercept.
From the given problem.
[tex]m=3\\c=4.5[/tex]
Substitute the value in above equation.
[tex]y=3x+4.5[/tex]
Therefore, equation for line is [tex]y=3x+4.5[/tex].
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