jazgarrettd29 jazgarrettd29

17-06-2020
Mathematics

contestada

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

What is the answer to this question 14a24a63 class=

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marlinhadryelle1919 marlinhadryelle1919

17-06-2020

Answer:

Step-by-step explanation:

Δ = [tex]4^{2} - 4 * 4 * (-63) = 16 + 16 * 63 = 16 * (1 + 63) = 16 * 64[/tex]

VΔ = 4 * 8 = 32

a = (- 4 ± 32) * [tex]\frac{1}{8}[/tex]

a' = 7/2

a''= 9/2

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