Quadrilateral STAY is dilated to quadrilateral WOKE. If S is located at (6, 3) ) and W is located at (3, 3/2) , which rule repre
1 answer:
Answer:
S(x, y) → W()
Step-by-step explanation:
Quadrilateral STAY has been dilated to quadrilateral WOKE.
Coordinates of the S are (6, 3) and after dilation coordinates of the point W are (3, ).
Scale factor for dilation =
=
=
So quadrilateral STAY has been dilated by a scale factor of to form WOKE.
Therefore, rule for the dilation will be,
S(x, y) → W()
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Answer:
d) 87
Step-by-step explanation:
to solve this lets set up the equation
then we multiply 4 on both sides
253+x=340
and subtract 253 on both sides
x=87
to double check take the averages
(87+85+70+98)/4=85
if we have a number like say hmm 4, and we say hmmm √4 is ±2, it simply means, that if we multiply that number twice by itself, we get what's inside the root, we get the 4, so (+2)(+2) = 4, and (-2)(-2) = 4, recall that <u>minus times minus = plus</u>.
so, any when we're referring to even roots like , the positive number, that can multiply itself an even amount of times, will produce a valid value, BUT the negative number that multiply itself an even amount of times, will also produce a valid value.
now, that's is not true for odd roots like , because the multiplication of the negative number will not produce a valid value, let's put two examples on that.
so, when the root is an odd root, you will always get only one number that will produce the radicand.