Question

Evaluate 3x2 - 4 when χ= 2.
Α. 2
Ο Ο Ο
Ο Β. 8
C. 12
Ο D. 32

Answer 1

Answer:

D. 32.

Step-by-step explanation:

$3x^2 - 4\\= 3^2 * 2\\= 6^2 - 4\\= 36 - 4\\= 32.$

hope this helps.