–9x + 10y = –9 whats that in slope intercept form
2 answers:
Answer:
Slope intercept form of the line is y =
Step-by-step explanation:
Equation of a line has been given as -9x + 10y = -9
It's a standard form of the equation and we have to convert it into slope intercept form.
Slope intercept form of the line is in the form of y = mx + c
Where m = slope of the line
c = y-intercept of the line
-9x + 10y = -9
10y = 9x - 9
y =
y =
Therefore, slope intercept form of the line will be y =
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Okay, take a look at diagram 1 (I know it's rubbish I did it on paint :D), this shows all the information you've given in the question. The two coordinates and the distance between them.
Now if we draw additional lines on this diagram, we can make a right-angled triangle (this is on diagram 2). We can also work out the lengths of the additional sides because we know both coordinates at the end-points of the additional lines.
Finally because this is a right-angled triangle, Pythagoras' theorem must apply to its sides meaning
therefore x=5.
Now if we draw additional lines on this diagram, we can make a right-angled triangle (this is on diagram 2). We can also work out the lengths of the additional sides because we know both coordinates at the end-points of the additional lines.
Finally because this is a right-angled triangle, Pythagoras' theorem must apply to its sides meaning
therefore x=5.