Y and x have a proportional relationship, and y = 12 when x = 5. What is the value of y when x = 8?
1 answer:
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Answer:
All real numbers greater than or equal to -1 and less than or equal to 2
Step-by-step explanation:
Let
A_1 ------> the area of rectangle
A_2 ----> the area of triangle
we know that
<em>Find out the area of rectangle</em>
<em>Find out the area of triangle</em>
substitute
Simplify
<em>First case (positive value)</em>
<em>Second case (negative value)</em>
Multiply by -1 both sides
therefore
The solution for x is the interval -----> [-1,2]
All real numbers greater than or equal to -1 and less than or equal to 2