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2 years ago

Complete the table of inputs and outputs for the given function. g(x) = 3 - 8x g() 0 -5 3 Reset

Mathematics

1 answer:

Mandarinka [93]2 years ago

7 0

Answer:

3/8, 0

0, 3

1, -5

3, -21

Step-by-step explanation:

i just took the test in edmentum and got it right :)

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If x+a is a factor of 2x²+2ax+5x+10,find a.

vazorg [7]

If $x+a$ is a factor of the polynomial, it means that $-a$ is a root of the polynomial.

In fact, if a polynomial $p(x)$ has a root $x_0$ (i.e. $p(x_0)=0$ ), then the polynomial is divisible by $(x-x_0)$

In your case, you know that the polynomial is divisible by $(x+a)=(x-(-a))$ , so $-a$ is a solution.

Let's evaluate $p(-a)$ and set it to zero:

$2(-a)^2+2a(-a)+5(-a)+10 = 0 \iff 2a^2-2a^2-5a+10=0 \iff -5a+10 = 0 \iff a = 2$

We can check the answer: if $a=2$ the polynomial becomes

$2x^2+2(2)x+5x+10 = 2x^2+9x+10$

And we're claiming that $-a=-2$ is a root of this polynomial:

$2(-2)^2+9(-2)+10 = 2\cdot 4 - 18 + 10 = 0$

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3 years ago

PLSSSS HELP ME I WILL GIVE BRAINLIEST, A HEART, AND 5 STARS PLSSS HELP ME THIS IS DUE BY THE END OF TODAY

marishachu [46]

Answer:

who wanna talk im bored

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2 years ago

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1/3 + (2/5)

wolverine [178]

Answer:

+89

Step-by-step explanation:

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2 years ago

Figure ABCD is a rhombus. Find the value of x. <br><br> 58° <br><br> x = [ ? ]°

melisa1 [442]

The diagonals of the rhombus intersect at right angle. Then the value of x will be 32°.

<h3>What is a rectangle?</h3>

It is a polygon with four sides. The total interior angle is 360 degrees. In a rhombus, opposite sides are parallel and equal.

Figure ABCD is a rhombus.

Its diagonals intersect at right angle.

Let the another angle be x. Then we have

x + 58° + 90° = 180°

x + 148° = 180°

x = 32°

More about the rhombus link is given below.

brainly.com/question/27870968

#SPJ1

8 0

1 year ago

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PLEASE HELP. 15 POINTS.

Vilka [71]

Answer:

The simplest EXACT answer is $\sqrt{\frac{244}{9}$ .

A decimal form of this is approximately 5.207.

Step-by-step explanation:

Use the distance formula.

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3 years ago

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Complete the table of inputs and outputs for the given function. g(x) = 3 - 8x g() 0 -5 3 Reset​

Complete the table of inputs and outputs for the given function. g(x) = 3 - 8x g() 0 -5 3 Reset