If k= t-5k and k= 4, what is the value of t? A) -28 B) -12 C) 12 D) 28
2 answers:
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Answer:
y = 1
Step-by-step explanation:
Calculate the slope m using the slope formula and equate to
m = (y₂ - y₁ ) / (x₂ - x₁ )
with (x₁, y₁ ) = (7, 2) and (x₂, y₂ ) = (0, y)
m = , that is
=
( cross- multiply )
7(y - 2) = - 7 ( divide both sides by 7 )
y - 2 = - 1 ( add 2 to both sides )
y = 1