Answer:
Δ = 349
Step-by-step explanation:
Given a quadratic equation in standard form
ax² + bx + c = 0 ( a ≠ 0 ) , then the discriminant is
Δ = b² - 4ac
9x² + 5x - 9 = 0 ← is in standard form
with a = 9, b = 5 , c = - 9 , then
b² - 4ac
= 5² - (4 × 9 × - 9)
= 25 - (- 324)
= 25 + 324
= 349
Answer:
$120
Step-by-step explanation:
Answer:
A. A number that is divisible by 6 is also divisible by 2 and 3 because 2 and 3 are factors of 6.
Hope this helps~
C.
Foil method reverses factor
Answer:
a)2,6,12,14
Step-by-step explanation: