What is 2(2x-1) = 3(x-1)
1 answer:
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To solve this problem you must apply the proccedure shown below:
1. You must multiply the coordinates of by the scale factor given in the problem above. Therefore, you have that the coordinates of
are:
2. The midpoint of has the folllowing coordinates:
3. The center of dilation is a fixed point, with coordinates . Therefore, the distance from the center of dilation to the midpoint of
is:
The answer is the option C:
Answer:
a = - 2
Step-by-step explanation:
calculate the slope of the 2 given points and equate to 0.75
m =
with (x₁, y₁ ) = (4, a ) and (x₂, y₂ ) = (8, 1 )
m = =
then equating
= 0.75 ( multiply both sides by 4 to clear the fraction )
1 - a = 3 ( subtract 1 from both sides )
- a = 2 ( multiply both sides by - 1 )
a = - 2