8. a) [tex]6\sqrt{3}[/tex] = [tex]\sqrt{108}[/tex]
b) [tex]5\sqrt{5}[/tex] = [tex]\sqrt{125}[/tex]
c) [tex]9\sqrt{2}[/tex] = [tex]\sqrt{162}[/tex]
d) [tex]4\sqrt{7}[/tex] = [tex]\sqrt{112}[/tex]
e) [tex]5\sqrt{6}[/tex] = [tex]\sqrt{150}[/tex]
f) [tex]7\sqrt{3}[/tex] = [tex]\sqrt{147}[/tex]
g) [tex]6\sqrt{5}[/tex] = [tex]\sqrt{180}[/tex]
h) [tex]5\sqrt{7}[/tex] = [tex]\sqrt{175}[/tex]
9. a) [tex]-4\sqrt{3}[/tex] = [tex]-\sqrt{48}[/tex]
b) [tex]-5\sqrt{2}[/tex] = [tex]-\sqrt{50}[/tex]
c) [tex]-2\sqrt{7}[/tex] = [tex]-\sqrt{28}[/tex]
d) [tex]-3\sqrt{5}[/tex] = [tex]-\sqrt{45}[/tex]
e) [tex]-7\sqrt{5}[/tex] = [tex]-\sqrt{245}[/tex]
f) [tex]-9\sqrt{6}[/tex] = [tex]-\sqrt{486}[/tex]
g) [tex]-5\sqrt{8}[/tex] = [tex]-\sqrt{200}[/tex]
h) [tex]-6\sqrt{7}[/tex] = [tex]-\sqrt{252}[/tex]
10. a) [tex]\sqrt{245}[/tex] = [tex]7\sqrt{5}[/tex]
b) [tex]\sqrt{300}[/tex] = [tex]10\sqrt{3}[/tex]
c) [tex]\sqrt{320}[/tex] = [tex]8\sqrt{5}[/tex]
d) [tex]\sqrt{252}[/tex] = [tex]6\sqrt{7}[/tex]
11. a) [tex]\sqrt{720}[/tex] = [tex]12\sqrt{5}[/tex]
b) [tex]\sqrt{588}[/tex] = [tex]14\sqrt{3}[/tex]
c) [tex]\sqrt{675}[/tex] = [tex]15\sqrt{3}[/tex]
d) [tex]\sqrt{648}[/tex] = [tex]18\sqrt{2}[/tex]
12. a) [tex]\sqrt{20}[/tex] = [tex]a\sqrt{5}[/tex] => a = 2
b) [tex]\sqrt{63}[/tex] = [tex]a\sqrt{7}[/tex] => a = 3
c) [tex]\sqrt{45}[/tex] = [tex]a\sqrt{5}[/tex] => a = 3
d) [tex]\sqrt{294}[/tex] = [tex]a\sqrt{6\\}[/tex] => a = 7
e) [tex]\sqrt{243}[/tex] = [tex]a\sqrt{3}[/tex] => a = 9
f) [tex]\sqrt{338}[/tex] = [tex]a\sqrt{2}[/tex] => a = 13
13. a) [tex]4\sqrt{3}[/tex] = [tex]\sqrt{n}[/tex] => [tex]\sqrt{n}[/tex] = [tex]\sqrt{48}[/tex]
b) [tex]5\sqrt{6}[/tex] = [tex]\sqrt{n}\\[/tex] => [tex]\sqrt{n}[/tex] = [tex]\sqrt{150}[/tex]
c) [tex]7\sqrt{2}[/tex] = [tex]\sqrt{n}[/tex] => [tex]\sqrt{n}[/tex] = [tex]\sqrt{98}[/tex]
d) [tex]6\sqrt{10}[/tex] = [tex]\sqrt{n}[/tex] => [tex]\sqrt{n}[/tex] = [tex]\sqrt{360}[/tex]
e) [tex]3\sqrt{15}[/tex] = [tex]\sqrt{n}[/tex] => [tex]\sqrt{n}[/tex] = [tex]\sqrt{135}[/tex]
f) [tex]2\sqrt{17}[/tex] = [tex]\sqrt{n}[/tex] => [tex]\sqrt{n}[/tex] = [tex]\sqrt{68}[/tex]
Sper că te-am ajutat, o zi frumoasă!
