Jennifer2005
02.05.2021 •
Mathematics
A sketch of y = ax? + bx + c is shown.
The minimum point is (1, -3)
Select the correct answer in each of the following.
YA
a) The value of a is
A: negative
B: zero
C: positive
b) The value of cis
х
A: negative
B: zero
C: positive
(1, -3)
c) The solutions of ax? + bx + c = 0 are
A: both negative
B: both positive
C: one negative and one positive
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Ответ:
(a) The rate that the point 8,28 represents is 3.5 cm/s since 28/8 = 3.5
(b) The unit rate is 3.5 cm/s since the rate is constant.
(c) The two points lie on the same line and that both points results to a rate of 3.5 cm/s.
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