Mathematics, 13.08.2020 18:01 2025hollowaykyva
1) Determine the discriminant of the 2nd degree equation below:
3x 2 − 2x − 1 = 0
a = 3, b = −2, c = −1
Discriminant → ∆= b 2 − 4 a c
2) Solve the following 2nd degree equations using Bháskara's formula:
Δ = b² - 4.a. c
x = - b ± √Δ
2a
a) x 2 + 5x + 6 = 0
b)x 2 + 2x + 1 = 0
c) x2 - x - 20 = 0
d) x2 - 3x -4 = 0
Answers: 1
Mathematics, 21.06.2019 23:30, meiyrarodriguez
Write an inequality for this sentence the quotient of a number and -5 increased by 4 is at most 8
Answers: 1
1) Determine the discriminant of the 2nd degree equation below:
3x 2 − 2x − 1 = 0
a = 3, b = −...
a = 3, b = −...
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