Answered

Quadratic equations by extracting square roots.
a.3t2=12
b.x2-7=0
c.3r2=18
d.x2=150
e.x2=9/16

Sagot :

Peachocoid
a.)[tex] \frac{3 t^{2} }{3} = \frac{12}{3} [/tex]
t²=4
√t²=√4
t=2
b.)x²-7=0
x²=7
√x²=√7
x=√7
c.)[tex] \frac{ 3r^{2} }{3} = \frac{18}{3} [/tex]
√r²=√6
r=√6
d.)√x²=√150
x=√150
x=√25·6
x=5√6
e.)√x²=[tex] \sqrt{ \frac{9}{16} } [/tex]
x=3/4