1) a - 8 = 0 or a + 12 = 0a = 8 or a = -12
2) m^2 = 0.25m = ±√0.25m = ±0.5
3) 9x^2 = 64x^2 = 64/9x = ±√(64/9)x = ±8/3
4) b^2 = -36No real solutions
5) 4x^2 = 9x^2 = 9/4x = ±√(9/4)x = ±3/2
6) x^2 = 16x = ±√16x = ±4
7) y^2 = 1/2y = ±√(1/2)y = ±1/√2
8) x^2 = 9/25x = ±√(9/25)x = ±3/5
9) 81a^2 = -1No real solutions
10) 49/81m^2 = 1m^2 = 81/49m = ±√(81/49)m = ±9/7
1) a - 8 = 0 or a + 12 = 0
a = 8 or a = -12
2) m^2 = 0.25
m = ±√0.25
m = ±0.5
3) 9x^2 = 64
x^2 = 64/9
x = ±√(64/9)
x = ±8/3
4) b^2 = -36
No real solutions
5) 4x^2 = 9
x^2 = 9/4
x = ±√(9/4)
x = ±3/2
6) x^2 = 16
x = ±√16
x = ±4
7) y^2 = 1/2
y = ±√(1/2)
y = ±1/√2
8) x^2 = 9/25
x = ±√(9/25)
x = ±3/5
9) 81a^2 = -1
No real solutions
10) 49/81m^2 = 1
m^2 = 81/49
m = ±√(81/49)
m = ±9/7