What are the coordinates of the roots of the equation x^2+ 4x + 3 = 0 ?

Step-by-step explanation:

1) Factor out the x components of the equation

(x+3)(x+1)=0

2) Take each individual term and find the value for which the equation equals zero:

x+3=0 -> x=-3

x+1=0 -> x=-1

x = -3, -1

y= 2x+7

changed to y= 5x +7

as slope is increased from 2 to 5

therefore it would be less steeper

so, option d) is correct

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