Answer:
<h2>They are perpendicular to each other.</h2>Step-by-step explanation:
The transfomation is a reflection across the x-axis, which is defined
Notice that this transformation is about changing each vertical coordinate to its opposite, but the absolute value of each one is the same. This means each coordinate is in the same vertical.
Therefore, the line segment MM' is perpendicular to x-axis, because M and M' are in the same vertical.
Answer:
d = 9
Step-by-step explanation:
Calculate the slope m of line AB and equate the result to 3
m =
with (x₁, y₁ ) = A(4, 6) and (x₂, y₂ ) = B(d, 21)
m = =
= 3 ( multiply both sides by d - 4 )
15 = 3(d - 4), that is
15 = 3d - 12 ( add 12 to both sides )
27 = 3d ( divide both sides by 3 )
9 = d