A garden has a perimeter of 56 square feet. The width of the garden
2 answers:
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Answer:
y =
Step-by-step explanation:
Given y varies directly with x then the equation relating them is
y = kx ← k is the constant of variation
To find k use the condition y = - 8 when x = 20
k = =
= -
y = - x ← equation of variation
When x = - 4, then
y = - × - 4 =
Answer:
Step-by-step explanation:
If there are two variables together, you will have to multiply them.
Replace x and y accordingly: