Question

Evaluate –x2 + 2x – 4 with x = –2.
i keep getting 4 as my ans but thats not an option!

Answer 1

positive 2

Answer 2

(-2)^2 +2(-2) -4
4 +-4 - 4
-4

Answer 3

can be solved multiply ways, depends on how you treat the leading negative sign...what are your options

Answer 4

8
-8
12
-12
those are my options

Answer 5

-x2+2x-4 x= -2 -(-2)*2+2(-2)-4 = 8

Answer 6

got -12

Answer 7

i got -12

Answer 8

-12 is right

Answer 9

-(-2)^2+2(-2)-4
-2^2 =4
-4+2(-2)-4
2(-2)=-4
-4-4-4=-12

Answer 10

\[-(-2)^2+2(-2)-4 \]\[-4+-4-4 \]\[-4-4-4 \]\[-12 \]

Answer 11

i got -12 the first time LOL