if (2k, k) and (3k, 4k) are two points on the graph of a line and k is not equal to 0, what is the slope of the line?
2 answers:
(2k, k) and (3k, 4k)
Slope = (4k - k )/(3k - 2k)
= 3k / k
= 3
Answer :
3
slope = 3
to calculate the slope (m ) use the gradient formula
m = ( y₂ - y₁ ) / (x₂ - x₁ )
with (x₁, y₁ ) = (2k, k) and (x₂, y₂ ) = (3k, 4k )
m =
=
= 3
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4x + 9 = 68
Subtract 9 from both sides:
4x = 59
Divide both sides by 4
X = 59/4
X = 14.75
Answer:
g(x)=3x-2
g(8)=3×8-2
=22
g(5)= 3×5-2
=13
g(8)-g(5)= 22-13=9