3 years ago

Simplify the expression. What classification describes the resulting polynomial?

Mathematics

1 answer:

sesenic [268]3 years ago

4 0

Answer:

The correct choice is option B. quadratic trinomial

Step-by-step explanation:

The answer is in quadratic trinomial because a quadratic trinomial is an expression in the form of ax^2 + bx + c and this is exactly how our final solution looks like.

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What value represents the solution of y-3.6=9?

My name is Ann [436]

Step-by-step explanation:

$y - 3.6 = 9 \\ \\ \therefore \: y = 9 + 3.6\\ \\ \therefore \: y = 12.6$

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3 years ago

Solve using square root method

avanturin [10]

$\frac{1}{2}(x+5)^2 + 9 = -15$

$\frac{(x+5)^2+18}{2} = \frac{-30}{2}$

Cancel out the denominators.

(x+5)² + 18 = -30

(x+5)² = -30 - 18

(x+5)² = -48

The equation is impossible, we have a negative number.

There isn't a number that squared gives a negative number (the square is always positive).

√(x+5)² = +/- √-48

x+5 = +/- √-48

IMPOSSIBLE

You can write the result in imaginary numbers

x+5=+/- 4i√3

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3 years ago

A coin contains 9 grams of nickel and 16 grams of copper, for a total weight of 25 grams. What percentage of the metal in the co

Leya [2.2K]

X for coin Y for copper
9X+16Y=25

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3 years ago

Read 2 more answers

PLEASE HELP ME ASAP IM TIMED !!!!!! the graph above reprenets a function what is the value of f(4)?

EastWind [94]

f(4)=0 because when x=4, y=0.

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