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Brums [2.3K]
3 years ago
12

Write the quadratic equation whose roots are -4 and -3, and whose leading coefficient is 1.

Mathematics
1 answer:
ludmilkaskok [199]3 years ago
4 0

Answer:

x^{2} + 7x+12=0

Step-by-step explanation:

Roots of the equation are -4 and -3.

Quadratic equation can be written as

(x+4)(x+3)=0\\x(x+3)+4(x+3)\\x^{2} +3x+4x+12\\x^{2} + 7x+12=0

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Please tell me the answer quick
Vesnalui [34]
To compare these numbers, you must first put them into one format.  Since you have mixed numbers, you may have to find and use the LCD.

-2.5, 1/5, 10, -12/4, 18/5, 10 could be simplified somewhat immediately:

-2.5, 1/5, 10, -3, (3 3/5)   This set of numbers is simple enough so that you could rearrange them in ascending order mentally:

-3, -2.5, 1/5, (3 3/5), 10

In this case the number of elements in this set is odd, so all you have to do is to select the MIDDLE element:  1/5.

The median is 1/5.

You MUST learn this procedure (arranging the set elements in ascending order and selecting the middle element) so that you can apply it yourself.

8 0
3 years ago
What is the simplest from of this expression? (-3x^2 + 4x) + (2x^2 - x -11)
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Answer:

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Step-by-step explanation:

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3 years ago
1. What is the y-intercept in the table below?
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Step-by-step explanation:

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5 0
3 years ago
How to solve math word problems
Rina8888 [55]
Read the question and then answer it.
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5 0
3 years ago
A 40-foot flagpole casts a 25-foot shadow. FInd the shawdow cast by a nearby building 200 feet tall.
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Let s = shadow we are looking for.

40/200 = 25/s

Solve for s.

200(25) = 40s

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The answer is 125 feet.
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3 years ago
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