2 years ago

Which of the following questions below can be answered using the sum -12+10

Mathematics

2 answers:

-BARSIC- [3]2 years ago

5 0

It’s 22 negativeBecause once you add up those to a negative is always a negative

Vanyuwa [196]2 years ago

5 0

Answer: is -22 a negative plus a positive is negative

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WARRIOR [948]

Answer:

The answer is D.

Step-by-step explanation:

We have to apply Discriminant Law. When a quadratic equation, ax² + bx + c = 0 has equal roots so the discriminant will be 0. Then, you have to substitute the values into the formula :

$D = {b}^{2} - 4ac$

$let \: D = 0 ,a = 2,b = k,c = k$

$0 = {k}^{2} - 4(2)(k)$

${k}^{2} - 8k = 0$

$k(k - 8) = 0$

$k = 0$

$k - 8 = 0$

$k = 8$

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Step-by-step explanation:

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2 years ago

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According to the graph what is the value of the constant in the equation below?<br> Answer:0.5

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