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Mathematics

2 answers:

Blizzard [7]3 years ago

7 0

I'm pretty sure it's A.

charle [14.2K]3 years ago

6 0

Answer: B. Draw a chain of bounces to the left, 12 units wide, starting at 0 and ending at –24.

Explanation:

The dividend is obviously -24, so that tells us where we will end. The 12 is the divisor and is the number of groups we need to make (dividing by grouping). It is a positive 12, so we start at zero and move left to stop at the first group or bounce which would be from 0 to -12. The second group or bounce would be from -12 to -24. This will give us our negative amount of groups, because we are moving left, in this case, -2. <em> </em>We can check by using the inverse (or opposite) operation.

12 * -2 =-24

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Find the value of k for x^2 - 2kx+7k -12=0 so that they have two equal roots

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