Answer:
1. x = ±10
2. r = 10 i
3. x = ±12
4. t = ±3/4
5. x = 8
Step-by-step explanation:
1. x = ±√100
x = ±10
2. r² = -100
r = ±√-100
r = 10 i
3. x² = 144
x = ±√144
x = ±12
4. t = ±√9/16
t = ±3/4
5. x-4 = ±√16
x-4 = ±4
x1 = 4+4 = 8
x2 = 4-4 =0
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Answers & Comments
Answer:
1. x = ±10
2. r = 10 i
3. x = ±12
4. t = ±3/4
5. x = 8
Step-by-step explanation:
1. x = ±√100
x = ±10
2. r² = -100
r = ±√-100
r = 10 i
3. x² = 144
x = ±√144
x = ±12
4. t = ±√9/16
t = ±3/4
5. x-4 = ±√16
x-4 = ±4
x1 = 4+4 = 8
x2 = 4-4 =0