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sleet_krkn [62]

3 years ago

8

Express (x + 10)^2 as a trinomial in standard form.

1 answer:

nydimaria [60]3 years ago

5 0

Answer:

x2-20x+100

Step-by-step explanation:

You have to factor the expression in order to get your answer

Do this by expanding out the expression: (x-10)(x-10) Then factor by multiplying each of the components! Use the FOIL acronym to help you. FOIL stands for First, Outer, Inner, Last. Meaning multiply the first numbers of the expressions together, then the outers, then the inner two numbers, then the last two numbers of the expression.

Multiply x and x to get , multiply x and -10 to get -10x, multiply -10 and x to get -10x, multiply -10 and -10 to get 100. Add them all together: . Then combine like terms

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When x = 3 and y = 5, by how much does the value of 3x2 – 2y exceed the value of 2x2 – 3y ?

SpyIntel [72]

Answer:

14

Step-by-step explanation:

${3x}^{2} - 2y \\ 3 { \times 3}^{2} - 2 \times 5 \\ 27 - 10 = 17$

${2x}^{2} - 3y \\ 2 \times {3}^{2} - 3 \times 5 \\ 12 - 15 = - 3$

$17 - 3 = 14$

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2 years ago

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Answer:

139.7124

Step-by-step explanation:

9.6+5.42-3.2 (^2)

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The image of the point (6, -9) under a translation is (11,-4). Find the coordinates

yaroslaw [1]

Answer:

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Step-by-step explanation:

Let's find the rule of that transformation:

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A monomial of the 2nd degree with a leading coefficient of 3

Rzqust [24]

Given:

Polynomials

To find:

Monomial of 2nd degree with leading coefficient 3

Solution:

Monomial is an algebraic expression with only one term.

Option A: $3 n^{2}-1$

It is not a monomial because it have 2 terms.

It is not true.

Option B: $3 n-n^{2}$

It is not a monomial because it have 2 terms.

It is not true.

Option C: $3 n^{2}$

It have one term only. So, it is a monomial.

Degree means highest power. So degree = 2

Leading coefficient means the value before variable.

Leading coefficient = 3

It is true.

Option D: $2n^3$

It have one term only. So, it is a monomial.

Degree means highest power. So degree = 3

It is not true.

Therefore $3 n^{2}$ is a monomial of 2nd degree with a leading coefficient of 3.

5 0

3 years ago