Polygon ABCD will be dilated by a scale factor of 2.2 with the origin as the center of dilation, resulting in the image A′B′C′D′
. What will the slope and length of C'D' be?
m = undefined, C′D′ = 13.2 units
m = 0, C′D′ = 6.6 units
m = 0, C′D′ = 13.2 units
m = undefined, C′D′ = 8 units
m = undefined, C′D′ = 13.2 units
m = 0, C′D′ = 6.6 units
m = 0, C′D′ = 13.2 units
m = undefined, C′D′ = 8 units
1 answer:
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Answer: 4.5
<u>Step-by-step explanation:</u>
First, find the points of intersection by solving the system.
y = x² + 2x + 4
y = x + 6
Solve by substitution:
x² + 2x + 4 = x + 6 ⇒ x² + x - 2 = 0 ⇒ (x + 2)(x - 1) = 0 ⇒ x = -2, x = 1
Now, integrate from x = -2 to x = 1
<em>the bottom of the integral is -2 </em>
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= -3 + 1.5 + 6
= 4.5
