Question

Rationalize the denominator of 8 over quantity of 7 minus square root of 6

Answer 1

To rationalize a denominator, multiply it by its conjugate: If you have a + sqrt(b) multiply it by a - sqrt(b)
Of course if since you're dealing with a fraction, you'll have to multiply the numerator by the same thing.

Answer 2

Now multiply the numerators together and the denominators together.

Answer 3

56 plus square root of 6 over 43?

Answer 4

Distribute the 8 in the numerator, so it's 56 plus 8 sqrt(6). That's the numerator

Answer 5

56 plus 8 square root of 6 over 43

Answer 6

The denominator is 7 x 7 - sqrt(6) x sqrt(6) = 49 - 6, not 49 - 36

Answer 7

right

Answer 8

thanks can u help with the next one