Question

Select all equations that have two solutions. a x^2=16 b 4x^2=0 c x^2=-16 d 3x+2=14 e x^2-1=24 f (x+8)(x-8)=0

Answer 1

♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️

a )

${x}^{2} = 16$

$x = ± \: 4$

Two solutions.

_________________________________

b )

$4 {x}^{2} = 0$

$x = 0$

One solution .

_________________________________

c )

${x}^{2} = - 16$

$No \: \: solution.$

_________________________________

d )

$3x + 2 = 14$

$x = 4$

One solution.

_________________________________

e )

${x}^{2} - 1 = 24$

${x}^{2} = 25$

$x =± \: 5$

Two solutions.

_________________________________

f )

$(x + 8)(x - 8) = 0$

$x = - 8 \: \: or \: \: x = 8$

Two solutions .

♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️