Answer:
The answer in the procedure
Step-by-step explanation:
we know that
The set of transformations performed in ABCD to form A'B'C'D' could be among many
step 1
Rotation of the ABCD figure 90° counterclockwise
The point of rotation is the point A(2,-2)
step 2
Translation of the figure according to the rule
(x,y)------> (x-1,y+4)
That means-----> The translation is 1 unit at left and 4 units up
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Start with parenthesis first.
so a+a+2a+48
Then add all like terms.
4a=48
Then solve for a by dividing 4 from 48.
a=12
Play A: y=15x+76
Play B: y=-x^2 +36x-4
set them equal:
15x+76=-x^2 +36x-4
80=-x^2+21x
x^2-21x+80=0
-> solve for x
for example with the quadratic equation formula or solving the square
factorized:
(x-16)(x-5)=0
so x1=5 and x2=16
insert them into y=15x+76
y1=151, y2=316
so (5,151) and (16,316) are days with equal attendance for both plays which is option C
Step-by-step explanation:
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