What is the answer to this question? 1.4a^2+4a-63

asked Oct 2, 2021 153k views

5 votes

What is the answer to this question?
1.4a^2+4a-63

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6 votes

Answer:

Explanation:

Δ =
4^(2) - 4 * 4 * (-63) = 16 + 16 * 63 = 16 * (1 + 63) = 16 * 64

VΔ = 4 * 8 = 32

a = (- 4 ± 32) *
(1)/(8)

a' = 7/2

a''= 9/2

Daan Poron answered Oct 7, 2021

9.0k points

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