In what quadrants is the line y = -2x - 3 graphed on the rectangular coordinate system?

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In what quadrants is the line y = -2x - 3 graphed on the rectangular coordinate system?

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Answer 1 · 2015-08-31T08:02:05

This line lies in 2nd, 3rd and 4th quadrant

Explanation:

To find this fact without drawing graph you need to know, that for every linear function $f(x)=ax+b$

1) If $a>0$ and $b=0$ then the graph lies in 1st and 3rd quadrant, if $b>0$ graph lies also in 2nd quadrant, else if $b<0$ graph lies in 4th quadrant,

2) If $a<0$ and $b=0$ , graph lies in 2nd and 4th quadrant, if $b>0$ then graph goes also through 1st quadrant, else if $b<0$ graph lies in 3rd quadrant.

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In what quadrants is the line y = -2x - 3 graphed on the rectangular coordinate system?

1 Answer

Explanation:

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