dani19cano
22.09.2020 •
Mathematics
Madelyn was baking cookies for her classmates. Each batch of cookies calls for 1/2 a cup of sugar. If she is making 8 batches, how many cups of sugar will she need?
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Ответ:
x^2 + 3 = - (x^2 - 4x + 4) + 7
x^2 + 3 = -x^2 + 4x + 3
2x^2 - 4x = 0
2x(x - 2)
x = 0 , 2. are x coordinates of the 2 intercepts.