Answer:
1. 4 po
2. -9
3. -28
4. 0
5. -12
Step-by-step explanation:
1. x + 4x + 3 = 0
a = 1, b = 4, c = 3
b - 4ac
= (4) - 4(1)(3)
= 16 - 12
= 4
2. x - 5x + 4 = 0
a = 1, b = -5, c = 4
= (-5) - 4(1)(4)
= -25 - 16
= -9
3. x + 7 = 0
a = 1, b = 0 c = 7
b^2 - 4ac
= (0) - 4(1)(7)
= 0 - 28
= -28
4. 4 - 4x + 1 = 0
a = 4, b = -4, c = 1
= (-4) - 4(4)(1)
= 16 - 16
= 0
5. 2 + 6x + 3 = 0
a = 2, b = 6, c = 3
= (6) - 4(2)(3)
= 12 - 24
= -12
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Answers & Comments
Answer:
1. 4 po
2. -9
3. -28
4. 0
5. -12
Step-by-step explanation:
1. x
+ 4x + 3 = 0
a = 1, b = 4, c = 3
b
- 4ac
= (4)
- 4(1)(3)
= 16 - 12
= 4
2. x
- 5x + 4 = 0
a = 1, b = -5, c = 4
b
- 4ac
= (-5)
- 4(1)(4)
= -25 - 16
= -9
3. x
+ 7 = 0
a = 1, b = 0 c = 7
b^2 - 4ac
= (0)
- 4(1)(7)
= 0 - 28
= -28
4. 4
- 4x + 1 = 0
a = 4, b = -4, c = 1
b
- 4ac
= (-4)
- 4(4)(1)
= 16 - 16
= 0
5. 2
+ 6x + 3 = 0
a = 2, b = 6, c = 3
b
- 4ac
= (6)
- 4(2)(3)
= 12 - 24
= -12
#Continue Learning
#LearnAtBrainly
#Pa Brainliest po