I need help with 1-4

Mathematics

1 answer:

seraphim [82]3 years ago

3 0

Answer:

1) Point form (1,-4) Equation form x=1,y=-4

2) Point form (1,-2) Equation form x=1,y=-2

3) y=-23+7x

4) Point form (2,-2) Equation form x=2,y=-2

Step-by-step explanation:

For number 3 thats all i could get

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Need an explanation

aleksandrvk [35]

Answer: Choice B

$(6\sqrt{5}+5)i$

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Work Shown:

$\sqrt{-5}+\sqrt{-25}+\sqrt{-125}\\\\\sqrt{-1*5}+\sqrt{-1*25}+\sqrt{-1*25*5}\\\\\sqrt{-1}*\sqrt{5}+\sqrt{-1}*\sqrt{25}+\sqrt{-1}*\sqrt{25}*\sqrt{5}\\\\i*\sqrt{5}+i*5+i*5*\sqrt{5}\\\\i*\sqrt{5}+5i+5i*\sqrt{5}\\\\(i\sqrt{5}+5i*\sqrt{5})+5i\\\\(\sqrt{5}+5\sqrt{5})i+5i\\\\(6\sqrt{5})i+5i\\\\(6\sqrt{5}+5)i\\\\$