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Romashka [77]
3 years ago
10

A student claims that the inequality 4x + 6 > 0 always true because all real numbers multiplied by 4 plus 6 will be greater t

han 0. Explain the student's error.
Mathematics
1 answer:
ehidna [41]3 years ago
8 0

Step-by-step explanation:

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5 1/2 - 3 1/4

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Solve for x: 2|2x − 2| + 4 = 20.
barxatty [35]
<span><span>Subtract 4 from both sides of the equation.
<span>2<span>|2x−2|</span>=16</span></span><span>Divide both sides of the equation by 2.
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8 0
3 years ago
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Over what interval is the quadratic function decreasing?
frosja888 [35]

The interval over which the given quadratic equation decreases is:  x ∈ (5, ∞).

<h3>How to find the interval of quadratic functions?</h3>

Usually a quadratic graph function decreases either when moving from left to right or moving downwards.

In the given graph, we can see that the coordinate of the vertex is (5, 4) after which the curve goes in the downward direction.

Thus, for the values of x greater than 5, the function decreases and so we conclude that the interval in which the quadratic equation decreases is: (5, ∞).

Read more about Quadratic functions at: brainly.com/question/18030755

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