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Lapatulllka [165]
3 years ago
5

Is (0,0) a solution to this system y>=x^2+x-4; y<=x^2+2x+1

Mathematics
2 answers:
Anarel [89]3 years ago
8 0

Answer:

It is a solution

Step-by-step explanation:

Check and see if (0,0) satisfies both inequalities.

The first inequality is:

y \geqslant  {x}^{2} + x - 4

When we put x=0, and y=0, we get:

0\geqslant  {0}^{2} + 0 - 4

\implies0\geqslant- 4

This part is true.

The second inequality is:

y \leqslant  {x}^{2}  + 2 x + 1

We put x=0 and y=0 to get:

0 \leqslant  {0}^{2}  + 2 (0) + 1

0 \leqslant 1

This part is also true.

Since the (0,0) not satisfy both, inequalities, it is a solution.

andrew11 [14]3 years ago
4 0

Answer:

yes it is a solution

Step-by-step explanation:

o>-4

0<1

yes both work out to be equal

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When a number (x, for example) is placed in absolute values, |x|, the number inside will always be positive.

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8 0
4 years ago
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Distribute and simplify the radicals below.
erastovalidia [21]

The simplified expression of (√12+6)(-√8-√2) is -6√6 - 18√2

<h3>How to simplify the radical?</h3>

The expression is given as:

(√12+6)(-√8-√2)

Factor out -1

(√12+6)(-√8-√2) = -(√12+6)(√8+√2)

Expand the expression

(√12+6)(-√8-√2) = -(√96 + 6√8 + √24 + 6√2)

Evaluate the radicals

(√12+6)(-√8-√2) = -(4√6 + 12√2 + 2√6 + 6√2)

Evaluate the like terms

(√12+6)(-√8-√2) = -(6√6 + 18√2)

Open the bracket

(√12+6)(-√8-√2) = -6√6 - 18√2

Hence, the simplified expression of (√12+6)(-√8-√2) is -6√6 - 18√2

Read more about radicals at:

brainly.com/question/1980062

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8 0
2 years ago
Hurry please
snow_lady [41]

Answer:

$1400

double is $2800

Step-by-step explanation:

$35,000 x .04 = $1400

if sales double, the commis soon will double so $1400 x 2 = $2800

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