Question

Solve the equation using the Zero-Product Property.
(x-2) (x +7)=0


A. 2, -7

B. 2, 7

C. –1,1

D. –2, -7

Answer 1

it means that either (x - 2) = 0 or (x + 7) = 0. only one at a time being necessary since anything times zero is zero.

so we have x - 2 = 0

and x + 7 = 0

which answer do u think?

Answer 2

b

Answer 3

is that right?

Answer 4

a is right

Answer 5

Well lets check 'b'

(2 , 7)

your 2 equations are

x - 2 = 0
x = 2 ...good here

x + 7 = 0
14 = 0....not good here...



Yes ....A is correct

Answer 6

ty