4 years ago

4+x^2=7x standard form

1 answer:

3 0

For standard form, we have to rearrange this equation. We want the variables on one side (also called Slope Intercept Form or Ax + By = C)

Subtract 7x from both sides and 4 from both sides to "swap" the variables and the constant number.

This gives us:

x^2 - 7x = -4

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Order the numbers by magnitude (size) and watch the negative signs:

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kari74 [83]

Answer: 26

Step-by-step explanation: In this problem we have 3 consecutive even numbers whose sum is 84 and it asks us to find the smallest number.

Consecutive even numbers can be represented as x, x + 2, and x + 4.

Since the sum of these is 84, our equation reads

x + (x + 2) + (x + 4) = 84.

Simplifying on the left we get 3x + 6 = 84.

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So our smallest number is 26.

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Ivanshal [37]

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spayn [35]

Answer:

Yes

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The negative sign was simply moved to either the numerator or denominator. Either way the number is still a negative one half.

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3 years ago