joelpimentel joelpimentel

28-03-2018
Mathematics

contestada

For what value of the constant c does the above equation have x = 2 as the only solution?

A. -41

B. -1

C. 2

D. 41

For what value of the constant c does the above equation have x 2 as the only solution A 41 B 1 C 2 D 41 class=

Respuesta :

catdog22106 catdog22106

29-03-2018

The answer is A, -41.
Substitution:
-8(2) - (-41)
-16 + 41
25.
Square root of 25 = 5.
5 = 4x - 3.
5 = 4(2) - 3
5 = 8 - 3
5 = 5.

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