3 years ago

Consider the parabola whose equation is y=x^2-4x and the line whose equation is y=2x+b, where b is some unknown constant

Mathematics

1 answer:

Vikki [24]3 years ago

6 0

Answer:

Step-by-step explanation:

Is there a question somewhere in there?

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Rom4ik [11]

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3 years ago

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Nataly_w [17]

Answer:

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Step-by-step explanation:

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3 years ago

(x - 2)² + 6x – 7 Which of the following is equivalent to

podryga [215]

Answer:

$x^2 +2x-3$

Step-by-step explanation:

Given

$(x - 2)\² + 6x - 7$

Required

The equivalent

We have:

$(x - 2)\² + 6x - 7$

Expand

$(x - 2)\² + 6x - 7 = x^2 -2x-2x +4 +6x - 7$

Collect like terms

$(x - 2)\² + 6x - 7 = x^2 -2x-2x+6x +4 - 7$

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Hence, the equivalent is:

$x^2 +2x-3$

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3 years ago