The equation of a linear graph with a y-intercept of 2/5 and a gradient -1/4 is: A 5x+20y=8
B 20x+5y=8
C y=2x/5 - 1/4
D 2x/5 -y+1/4= 0

Plz answer

What is the slope of the line shown below?

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What statement is true? 2x^2-9x+2=-1