How many really solutions does 4a^2 = 8a− 4 have
1 answer:
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the solid line passes through (0,-3) and (0,9)
dotted line passes through (0,-3) and (0,-1)
see attached sketch
Answer:
Step-by-step explanation:
√(-100)
Use the imaginary number rule
√(-1) × √(100)
i × √(10²)
i × 10
= 10i