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krek1111 [17]
3 years ago
8

What is the area of a square with side lengths of 7x?

Mathematics
2 answers:
yulyashka [42]3 years ago
6 0

Answer:

49x

Step-by-step explanation:

7x x 7x = 49x

max2010maxim [7]3 years ago
5 0

Answer:

area=l²=(7x)²=49x²is your answer

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Andrews [41]

Answer:

Zeros : 1 , -1, 3

Degree : 4

End Behaviour : At x-> ∞ f(x) -> ∞ and x->-∞ f(x) -> ∞

Y - intercept : -3

Extra Points: (0,-3), (2,-3)

Step-by-step explanation:

f(x) = 0 to find the zeros

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Here 1 is a repeating root as it is (x-1)²

Degree is highest power of x in f(x)

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Thus degree is 4

Looking at end behavior we substitute x->∞ and x-> -∞

Clearly f(x)>0 as all terms are positive and f(x)->∞

Similarly when x->-∞

f(x)>0 as 2 terms are -ve and their product is positive thus f(x)-> ∞

Y-Intercept is f(0)

f(0) = (0+1)(0-1)²(0-3) = 1*1*-3 = -3

Thus Y-Intercept is -3

Substitute x = 0 , 2 for extra points

Thus f(0) = -3

and f(2) = -3

Thus points on the graph (0,-3), (0,2)

We can use all this information to draw a graph remember that 1 is a repeating root so that will be a point of minima. The graph is a parabola that passes through x-axis at x = -1, 3.

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Answer:

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Step-by-step explanation:

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