Answer:
slope = - 2
Step-by-step explanation:
calculate the slope m using the slope formula
m =
with (x₁, y₁ ) = (- 1, 8 ) and (x₂, y₂ ) = (5, - 4 )
m = =
=
= - 2
Twice a number is decreased by 20 is 50. What is the number?
1 answer:
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