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gregori [183]
3 years ago
12

Perform the operation (x^2+8x+8)+(-10x^2+5x)

Mathematics
2 answers:
Wewaii [24]3 years ago
7 0

Answer:

-9x^+13x+8

Step-by-step explanation:

PtichkaEL [24]3 years ago
4 0

Answer:

Step-by-step explanation:

(x^2+8x+8)+(-10x^2+5x) = (x^2-10x^2) + (8x+5x) + 8

= -x^2 +13x + 8

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kotykmax [81]
The answer is b i think i’m not sure
5 0
3 years ago
Write a quadratic function in standard form with zeros 1 and -10
Licemer1 [7]

Answer:

f(x)=x^2+9x-10

Step-by-step explanation:

<u>Standard Form of Quadratic Function</u>

The standard form of a quadratic function is:

f(x)=ax^2+bx+c

where a,b, and c are constants.

The factored form of a quadratic equation is:

f(x)=a(x-\alpha)(x-\beta)

Where \alpha and \beta are the roots or zeros of f, and a is constant.

We know the zeros of the function are 1 and -10. The function is:

f(x)=a(x-1)(x-(-10))

f(x)=a(x-1)(x+10)

Operating:

f(x)=a(x^2+10x-x-10)

Joining like terms:

f(x)=a(x^2+9x-10)

Since we are not given any more restrictions, we can choose the value of a=1, thus. the required function is:

\boxed{f(x)=x^2+9x-10}

6 0
3 years ago
A ring costs $27 more than a pair of earrings. The ring costs $90. Write an equation that can be used to find the cost c in doll
guajiro [1.7K]
The answer is 90 - 27 = c
3 0
3 years ago
In the quadratic function f(x) = ax^2 + c, what transformation occurs to the parent function when "a" is negative? *
Anna71 [15]

Answer:

The parabola will reflect over the x axis.

Step-by-step explanation:

By setting the "a" value to a negative number, you will be inverting the f(x) values, in other words making a parabola open downwards, or a direct reflection over the x axis of the parent formula.

Take f(x)=1x^{2}+0 for example.

if we plug in 1 for x f(x) will equal 1

however if we make the a value negative

f(x)= -1x^{2}+0

and set x equal to 1,

you should see that f(x) is now -1

6 0
3 years ago
if there are 24 sushi pieces in 6 packages of sushi how many pieces of sushi are in 2 packages of sushi HURRY!!!!
Vanyuwa [196]

Answer: 8 pieces

Step-by-step explanation:

- if there are 24 pieces of sushi in 6 packages then 24/6 = 4 so there’s 4 pieces of sushi in each package

- since there’s 4 pieces of sushi in each pack just do 4 x 2 = 8

- so there’s 8 pieces of sushi in 2 packages

hope this helps :)

5 0
2 years ago
Read 2 more answers
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