Solve or determine that the equation has no real number solutions:
y2 = 16
Answer
y = ±4
7x2 = 63
x = ±3
(x – 2)2 + 16 = 0
No real number solutions
4(x + 1)2 = 36
x = 2, x = -4
x = ±30
3x2 – 7 = 11
(2x + 5)2 = 36
3x2 = 4
x2 + 6x + 9 = 100
x = 7, x = -13
4x2 + 12x + 9 = 20
,
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