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andreanb8083
04.02.2021 •
Mathematics
. Is the following dilation an enlargement or reduction?
(54x, 54y)
A. Enlargement
A. Enlargement
B. Reduction
Solved
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Ответ:
x = - 6 and x = 7
given x² - x - 42 = 0 ← quadratic in standard form
(x - 7 )(x + 6) = 0 ← in factored form
equate each factor to zero and solve for x
x - 7 = 0 ⇒ x = 7
x + 6 = 0 ⇒ x = - 6