Please answer this correctly
1 answer:
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Answer:
23.64
Step-by-step explanation:
× (2 - 5)² + 6
= × (- 3)² + 6
= 1.96 × 9 + 6
= 17.64 + 6
= 23.64
Answer:
D
Step-by-step explanation:
Given a quadratic equation in standard form : ax² + bx + c = 0
We can solve for x using the quadratic formula
x² + 2x + 9 = 0 ← is in standard form
with a = 1, b = 2 and c = 9
x = ( - 2 ± ) / 2
= ( - 2 ± ) / 2
= (- 2± ) / 2)
= (- 2 ± ) / 2
= ( - 2 ± 4i) / 2
= ±
= - 1 ± 2i → D