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Phoenix [80]
2 years ago
9

Solve the equation for all values of x. -3(36x^2-25)(x^2+1)=0 (square root answer)

Mathematics
1 answer:
12345 [234]2 years ago
7 0

On solving the equation, we get the following values of x- 5/6, -5/6 and √-1.

If there exists an equation of the form (x-a)(x-b) = 0, then (x-a) and (x-b) are known as the factors of the equation and x = a and x =b are the roots of the equation.

Here, we are given -3 (36x^2 - 25) (x^2 + 1) = 0

We can find the value of x by equating each of the terms to 0

if (36x^2 - 25) = 0

⇒ 36x^2 = 25

x^2 = 25/36

x = sqrt(25/36)

x = 5/6 or x = -5/6

Similarly, if  (x^2 + 1) = 0

⇒ x^2 = - 1

⇒ x = sqrt(- 1)

This will come out to be an imaginary number, since square root of negative numbers are not real.  √

Thus, the values of x are-  5/6, -5/6 and √-1.

Learn more about factorizing equations here-

https://brainly.in/question/1844679

#SPJ9

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spin [16.1K]

Answer:

<h2>A) y = -5x - 8</h2>

Step-by-step explanation:

The point-slope form of an equation of a line:

y-y_1=m(x-x_1)

m - slope

(x₁, y₁) - point on a line

We have the slope m = -5, and the point (-1, -3). Substitute:

y-(-3)=-5(x-(-1))\\\\y+3=-5(x+1)

Convert to the slope-intercept form (y = mx + b):

y+3=-5(x+1)          <em>use the distributive property</em>

y+3=-5x-5            <em>subtract 3 from both sides</em>

y=-5x-8

7 0
4 years ago
A laptop was originally sold for $975. The laptop is now on sale for $828.75.The percent markdown must have been...
Sonja [21]

Answer:

15% markdown

Step-by-step explanation:

To find the percent markdown

Take the original price minus the new price

975-828.75

146.25

Divide by the original price

146.25/975

.15

Change to percent form

15% markdown

5 0
3 years ago
Which ordered pair is in the solution set of 6x + 4y ≤ −2?
Nutka1998 [239]

Answer:

x≤ −2/3y + −1/3

Step-by-step explanation:

because...

Step 1: Add -4y to both sides.

6x + 4y + −4y ≤ −2+−4y

6x ≤ −4y −2

Step 2: Divide both sides by 6.

6x/6 ≤ \frac{-4y-2}{6}

x ≤ −2/3y + −1/3

Therefor, the answer is x≤ −2/3y + −1/3

* Hopefully this helps:) Mark me the brainliest:)!!

4 0
3 years ago
The point-slope form of a line that has a slope of Linear Equation and passes through the point (3, 0) is shown.
seraphim [82]

Answer:

y=1/4x-3/4

Step-by-step explanation:

hope this helped

6 0
4 years ago
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22% since 100-78 is 22 so that is the percentage of numbers between 78 and 100
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