Question

evaluate (c -b)2 + a2 for a= -2, b= -1, and c=7
i need help!!

Answer 1

Are you sure it is (c -b)2 = a2 and not (c -b)2 + a2 ? (plus in the place of equal sign)

Answer 2

yes. im sorry xD it was hard to write out the problem xD

Answer 3

Just plug in the numbers:
(c - b)^2 + a^2 for a= -2, b= -1, and c=7
(7 - -1)^2 + (-2)^2 = ?