Pre-image ABCD was dilated to produce
image A'B'C'D
What is the scale factor from the pre-image to
the image?
Enter your answer in the box as a fraction in
simplest form

answer: there are 453.592 grams in a pound.

"standard form:

3x2 + 14x − 10 = 0

solutions based on quadratic formula:

x1   = −14 − √ 142 − 4×3×(−10) /   2×3   = −14 − 2 × √ 79 /   6   ≈ −5.296

x2   = −14 + √ 142 − 4×3×(−10) /   2×3   = −14 + 2 × √ 79 /   6   ≈ 0.629