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Alona [7]
3 years ago
8

Determine the discriminant of x2 = 4. A. 17 B. 16 C. -15 D. -10

Mathematics
2 answers:
tino4ka555 [31]3 years ago
6 0
The discriminant is b<span>²-4ac
We can rewrite x</span>² = 4 to x<span>² + 0x - 4 = 0
So a = 1, b = 0, c = -4
</span>Δ = 0 - 4 * 1 * -4
Δ = 16
The answer is B
belka [17]3 years ago
4 0
X² = 4

x² - 4 = 0   comparing to  a<span>x² + bx + c = 0,   a = 1, b = 0, c = -4
</span>
Discriminant = b² - 4ac

b² - 4ac = 0<span>² - 4*1*-4 = 0 + 16 = 16

Discriminant = 16.

option B </span>
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