adiarakarcoolepisc adiarakarcoolepisc

11-11-2016
Mathematics

contestada

The table below shows two equations:

Equation 1 |2x _ 3| + 5 = 4
Equation 2 |5x + 3| _ 10 = 3

Which statement is true about the solution to the two equations?

Equation 1 and equation 2 have no solutions.

Equation 1 has no solution and equation 2 has solutions x = 2, -3.2.

The solutions to equation 1 are x = 1, 2 and equation 2 has no solution.

The solutions to equation 1 are x = 1, 2 and equation 2 has solutions x = 2, -3.2.

Respuesta :

Nirina7 Nirina7

17-11-2016

the answer is D
The solutions to equation 1 are x = 1, 2 and equation 2 has solutions x = 2, -3.2.
proof
for equation 1, use x=1, 2 to the |2x _ 3| = 1
for equation 2, use x=2., -3.2 to the |5x + 3| =13

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