Determine the value of the discriminant of each of the following quadratic equations.
1. x² - 4x +4=0
d =
2. x2 + 14x + 49 = 0
d=
3. x2 + 3x + 2 = 0
d=
4. x - 2x + 1 = 0
d =
5. 2x2 - x = 0
d=
1. x² - 4x +4=0
d =
2. x2 + 14x + 49 = 0
d=
3. x2 + 3x + 2 = 0
d=
4. x - 2x + 1 = 0
d =
5. 2x2 - x = 0
d=
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Answer:
1. d= 0
2. d= 0
3. d= 1
4. d=0
5. d= 1
Step-by-step explanation:
1. b²-4ac
16-16
0
2.b²-4ac
196-196
0
3. b²-4ac
9-8
1
4. b²-4ac
4-4
0
5. b²-4ac
1-0
1