Question

What is the distance between the following points?

(-2 √7,10) and (4 √7,8)

Answer 1

subtract Y2 - Y1 and X2 - X1

Answer 2

i dont know how to subtract square roots

Answer 3

if you have sqrt with same base you can just subtract the numbers out of it:

4 - (-2) = 4+2 = 6(sqrt{7})

Answer 4

6sqrt7 +2

Answer 5

?

Answer 6

-2 becasue 8 -10 = -2

Answer 7

hmm the answers ive got are
a) 256 units
b) sq.rt 352 units
c)-6sq.rt7 + 2 units
d) 16 units

Answer 8

c would also be an aswer

Answer 9

thought so. thanks so much