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3 years ago

What is -8 square root of 9 when simplified

Mathematics

1 answer:

gregori [183]3 years ago

7 0

Answer:

$\large\boxed{-8\sqrt9=-24}$

Step-by-step explanation:

$\sqrt{a}=b\iff b^2=a\\\\\sqrt9=3\ \text{because}\ 3^2=9\\\\-8\sqrt9=-8(3)=-24$

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3 years ago

10POINTSwhich quadratic function has the largest positive solution x^2-25=0

Leno4ka [110]

$x^2-9 = 160$ has the largest positive solution

Step-by-step explanation:

We can observe the given quadratic equations one by one.

We can see that the given quadratic equations are of the form

$x^2 = c^2$

OR somehow simplify to the given form

The solution is:

x = ±c

So,

Option 1:

$x^2-25 = 0\\x^2 = 25\\\sqrt{x^2} = \sqrt{25}\\x = 5\ \ , x=-5$

Option 2:

$x^2+10=154\\x^2+10-10 = 154-10\\x^2 = 144\\\sqrt{x^2} = \sqrt{144}\\x = 12\ \ \ , x = -12$

Option 3:

$x^2-9=160\\x^2-9+9 = 160+9\\x^2 = 169\\\sqrt{x^2} = \sqrt{169}\\x = 13\ \ \ , x = -13$

Option 4:

$x^2+49=50\\x^2+49-49 = 50-49\\x^2 = 1\\\sqrt{x^2}= \sqrt{1}\\x = 1\ \ \ , x= -1$

We can clearly see that:

$x^2-9 = 160$ has the largest positive solution

Keywords: Quadratic equation, variables

Learn more about quadratic equation at:

#LearnwithBrainly

8 0

3 years ago

Select all that are equal to 3. log28 log416 log327 log101,000

likoan [24]

Answers on edg. are:

log2 8

log3 27

log10 1,000

Step-by-step explanation:

Yo just trust me ight

6 0

3 years ago

Witch answer is it plsss −36 + 6 = −3( − 6)

madreJ [45]

Answer:

No solution because -30 does not equal 18

Step-by-step explanation:

-36 + 6 = -3(-6)

-30 = 18

No solution

5 0

4 years ago

What is -8 square root of 9 when simplified​

What is -8 square root of 9 when simplified