Can u pls help me with this question asap

Mathematics

1 answer:

Rom4ik [11]3 years ago

5 0

Answer:

(8.75, 2.5)

Step-by-step explanation:

When they ask what point (n,a) corresponds to this, they want a coordinate with an x-value of 8.75.

If we look on the graph, we can see that the a value is around 2.5 quarts of strawberries, so for our point, we will write (8.75, 2.5)

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vekshin1

Answer:

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Step-by-step explanation:

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3 years ago

If (x^2 - 1) is a factor of ax^4 + bx^3 + cx^2 + dx + e, show that a + c + e = b + d = 0

alisha [4.7K]

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If x²-1 is a factor of the polynomial, both x-1 and x+1 are factors of it.

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p(-1)=a \times (-1)^4 + b \times (-1)^3 + c \times (-1)^2 + d \times (-1)+e \\ \\
p(1)=a+b+c+d+e \\
p(-1)=a-b+c-d+e \\ \\
p(1)=0 \\
p(-1)=0 \\ \\ \hbox{add both equations:} \\
a+b+c+d+e=0 \\
\underline{a-b+c-d+e=0} \\
2a+2c+2e=0 \\
2(a+c+e)=0 \\
a+c+e=0 \\ \\
\hbox{substitute 0 for a+c+e in the first equation:} \\
a+b+c+d+e=0 \\
(a+c+e)+b+d=0 \\
0+b+d=0 \\
b+d=0 \\ \\
\boxed{a+c+e=b+d=0} \\
\hbox{proved } \checkmark$

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3 years ago

-| -8 | |-(-8) are they equal ? Or which one is more ?

satela [25.4K]

Answer:

-| -8 | is less than |-(-8)|

Step-by-step explanation:

-| -8 | =-8

|-(-8)| =8

they are not equal

-| -8 | is less than |-(-8)|

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