Answer:
y=4x-1
Explanation:
to find the slope you use this equation
(y2-y1) / (x2-x1)
you also need y=mx+b to write in your final equation for the slope,
m is the slope and b is the y intercept (where the point meets the y axis, horizontal line that goes like this | )
first, you got lucky this equation gave you the b value( remember, b is the y intercept) , which you can find when x is 0.
to find the slope we choose any two coordinates (x,y) from the table
i choose (0,-1) and (5,19)
and we put this in this formula
(y2-y1) /
(x2-x1)
(19+1) it’s plus because subtracting a negative - - makes it positive
so
(19+1)/
(5-0)
= 20/5 which is 4. so m( the slope) m=4
now that we have b=-1 and m=4 we can write the final answer equation
which is
y=4x-1