<span>P(n,2)=42, find n.
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n!/(n-2)! = 42
n(n-1) = 42
n^2 -n - 42 = 0
(n-7)(n+6) = 0
Positive answer:
n = 7
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Cheers,
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Answer:
Y = 4
Step-by-step explanation:
9×4+4=40
7×4+12=40
Answer:
The slope is -6 and the y intercept is (0, -30)
Step-by-step explanation:
Rearrange the equation into y = mx + b form, where m is the slope and b is the y intercept:
12x + 2y = -60
Subtract 12x from both sides:
2y = -12x - 60
Divide each side by 2:
y = -6x - 30
So, the equation in slope intercept form is y = -6x - 30
The slope is -6 and the y intercept is (0, -30)
So first of all on the graphs the top right and middle right is the positives, bottom left and middle left is the negatives.
Row 1 is negative
Row 2 is undefined
Row 3 is undefined
And Row 4 is positive.
Hope it helped!
