3 years ago

Solve using the quadratic formula.

1 answer:

3 0

Answer:

This is not really an answer but if you photomath and type in the problem for example “9x^2+x-9=0” you’ll be able to find your answer easily

Step-by-step explanation:

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Answer:

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0.1177%

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3 years ago

In a class of 20 students, the number of boys was the number of girls. How many girls were in the class?

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Answer:

Step-by-step explanation:

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3 years ago

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lina2011 [118]

Answer:

From left to right:

1/8

5/8

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3 years ago

Find the equation of line that passes through the points: A(2,3) and B(4,6)

valentinak56 [21]

Answer:

Step-by-step explanation:

Hello : let A(2,3) B(4,6)

the slope is : (YB - YA)/(XB -XA)

(6-3)/(4-2) = 3/2

an equation is : y=ax+b a is a slope

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3 years ago

Evaluate 3x² - 4xy + 2y² - 1 for x = - 3 and y = 5

zhannawk [14.2K]

Answer:

$3x^{2} - 4xy + 2y { }^{2} - 1 \\ 3 \times ( - 3) { }^{2} - 4 \times ( - 3) \times 5 + 2 \times 5 {}^{2} - 1 \\ (3 \times 9) - ( - 60) + 50 - 1 \\ 27 + 60 + 50 - 1 \\ 165$

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1 year ago

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