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Activities 8

8.1)

Solve the equations:

a): $x^{2} = 49$
b): $x^{2} - 9 = 0$
c): $3 x^{2} = 12$
d): $4 x^{2} - 100 = 0$
e): $x^{2} - 6.25 = 0$
f): $x^{2} + 4 = 0$

a): $x^{2} = 49$
b): $x^{2} - 9 = 0$
c): $3 x^{2} = 12$
d): $4 x^{2} - 100 = 0$
e): $x^{2} - 6.25 = 0$
f): $x^{2} + 4 = 0$

8.2)

Solve the equations:

a): $x^{2} + 9 = 0$
b): $3 x^{2} = 27$
c): $2 x^{2} - 10 = 0$
d): $2 x^{2} - 50 = 0$
e): $3 x^{2} = 192$
f): $- 2 x^{2} + 162 = 0$
g): $4 x^{2} = 64$
h): $- x^{2} = - 4$
i): $6 x^{2} = 54$

a): $x^{2} + 9 = 0$
b): $3 x^{2} = 27$
c): $2 x^{2} - 10 = 0$
d): $2 x^{2} - 50 = 0$
e): $3 x^{2} = 192$
f): $- 2 x^{2} + 162 = 0$
g): $4 x^{2} = 64$
h): $- x^{2} = - 4$
i): $6 x^{2} = 54$

You can find the solutions here.

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