Determine if the expression 8a – a4 is a polynomial or not. If it is a polynomial,

Mathematics

1 answer:

SCORPION-xisa [38]3 years ago

5 0

Answer:

Represents

Step-by-step explanation:

Going over the basic definition of polynomial, an expression which is composed of variables, constants and exponents, that are combined using the mathematical operations such as addition, subtraction, multiplication and division, we can see that the expression is indeed a polynomial.

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Which ordered pair is a solution of the equation 2x − y = 9 (-4,1)

belka [17]

In order to confirm if which ordered pair is a solution of the given equation above, we can just simply plug in the values.
So based on my solution, the correct answer would be the third option: <span>(5,1)
So let us try to plug in the values.
2(5) - 1 = 9
10 -1 = 9
9 = 9
So this is the correct one. Hope this answers your question.</span>

5 0

3 years ago

on a coordinate grid, her house is located at (1,2) and the park at (5,5) what is the shortest distance from her house to the pa

nadya68 [22]

To solve, use the distance formula: $d= \sqrt{(x_1+x_2)^2+(y_1+y_2)^2}$ . Using your values of x and y, you get $d= \sqrt{(1+5)^2+(2+5)^2} = \sqrt{6^2+7^2} = \sqrt{36+49} = \sqrt{85}$ , which is approximately 9.22. This means your shortest distance is √85≈9.22