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NISA [10]
3 years ago
10

What is the answer to x (x+8)=9​

Mathematics
1 answer:
marta [7]3 years ago
8 0

Answer:

x=1 or x=−9

Step-by-step explanation:

Let's solve your equation step-by-step.

x(x+8)=9

Step 1: Simplify both sides of the equation.

x2+8x=9

Step 2: Subtract 9 from both sides.

x2+8x−9=9−9

x2+8x−9=0

Step 3: Factor left side of equation.

(x−1)(x+9)=0

Step 4: Set factors equal to 0.

x−1=0 or x+9=0

x=1 or x=−9

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The graph of an absolute value function contains the points (–3, 5), (0, 2) and (3, 5). Which could be the function represented
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<h3>Which could be the function represented by this graph?</h3>

Here we have the points (-3, 5), (0, 2), and (3, 5). We want to see which ones of the given functions have that points.

To check that, we need to evaluate the functions in the first value of each point and see if the outcome is the second value of the correspondent point.

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The other option that also contains these 3 points is:

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And all the other options can be trivially discarded (by evaluating them).

So the two correct options are:

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If you want to learn more about absolute value functions:

brainly.com/question/3381225

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