kimbroughtanish kimbroughtanish

11-01-2016
Mathematics

contestada

Which value for x makes the open sentence true?

10 • 8 – 3x + x2 ≥ x3 + x2

A.
6

B.
4

C.
5

D.
7

Respuesta :

taskmasters taskmasters

11-01-2016

Answer is B. 4

10 * 8 - 3(4) + 4² > 4³ + 4²
80 - 12 + 16 > 64 + 16
84 > 80

All other choices are should have the inequality of < to make the sentence true.

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