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uysha [10]
3 years ago
14

What method most efficient to use to solve x^2+4x+3=0

Mathematics
1 answer:
Alik [6]3 years ago
6 0
My recommendation would be to factor..
x² + 4x + 3 = 0 factor the left side into two binomials
(x + 3)(x + 1) = 0 set each of these binomials equal to zero and solve

x + 3 = 0 Implies x = -3
x + 1 = 0 implies x = -1
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stepladder [879]

Answer:

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Step-by-step explanation:

As 0.644 and 0.25 are less than 1, then

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But p.q is greater than 1, so 1/(p.q) is smaller than 1

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3 years ago
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Write an equation that could be used to find the value of x using the interior angles of ∆BDC, then solve it.
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Answer:

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Step-by-step explanation:

Either or both of the right triangles can be used to find x. Or, triangle ABC could be used. All numbers are assumed to be degrees.

<u>Using ∆ABD</u>

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<u>Using ∆BCD</u>

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<u>Using ∆ABC</u>

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6 0
3 years ago
A scale model of a building has a height of 1/5 meter. The scale of the model is 1cm=0.5m. What is the height of the building?
Elenna [48]

Answer:

2000 meters

Step-by-step explanation:

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