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2 years ago

How to see warnings on brainly? I got one, but don't know why. it is not in my notifications.

Mathematics

2 answers:

kirill [66]2 years ago

8 0

Answer:

If its not in Notifications i don’t know where it would be.

Step-by-step explanation:

sineoko [7]2 years ago

4 0

Answer:

Oh well your warning stuff only come in your notifications.. But you can see how many you got when you go to your profile and scroll all the way down.

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svet-max [94.6K]

Since $-\dfrac9{16}$ is negative, it doesn't have any real roots.

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3 years ago

What is the slope of the line through (-9,6) and (3,-9)

mrs_skeptik [129]

Answer: the slope is 5/4
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3 years ago

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Step-by-step explanation:

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3 years ago

Triangle Congruence:

Serga [27]

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3 years ago

Read 2 more answers

Identify the x-intercepts of the function below f(x)=x^2+12x+24

damaskus [11]

<u>ANSWER: </u>

x-intercepts of $\mathrm{x}^{2}+12 \mathrm{x}+24=0 \text { are }(-6+2 \sqrt{3}),(-6-2 \sqrt{3})$

<u>SOLUTION:</u>

Given, $f(x)=x^{2}+12 x+24$ -- eqn 1

x-intercepts of the function are the points where function touches the x-axis, which means they are zeroes of the function.

Now, let us find the zeroes using quadratic formula for f(x) = 0.

$X=\frac{-b \pm \sqrt{b^{2}-4 a c}}{2 a}$

Here, for (1) a = 1, b= 12 and c = 24

$X=\frac{-(12) \pm \sqrt{(12)^{2}-4 \times 1 \times 24}}{2 \times 1}$

$\begin{array}{l}{X=\frac{-12 \pm \sqrt{144-96}}{2}} \\\\ {X=\frac{-12 \pm \sqrt{48}}{2}} \\\\ {X=\frac{-12 \pm \sqrt{16 \times 3}}{2}} \\\\ {X=\frac{-12 \pm 4 \sqrt{3}}{2}} \\ {X=\frac{2(-6+2 \sqrt{3})}{2}, \frac{2(-6-2 \sqrt{3})}{2}} \\\\ {X=(-6+2 \sqrt{3}),(-6-2 \sqrt{3})}\end{array}$

Hence the x-intercepts of $\mathrm{x}^{2}+12 \mathrm{x}+24=0 \text { are }(-6+2 \sqrt{3}),(-6-2 \sqrt{3})$

8 0

3 years ago