Which number is a solution to x2+8x+12=0?
1 answer:
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Answer:
Step-by-step explanation:
- The equation of the line in the slope intercept form is:
Where m is the slope and b is the y-intercept of the line
- Let's choose two points of the line: (8,-1) and (-4,-4).
- You must calculate the slope of the line as following:
- As you can see in the graph attached, the line intersects the y-axis at -3, then b=-3.
- Substituting values into the equation of the line, you obtain: