what are the intersection points of the line whose equation is y=-2x+1 and the circle whose equation is x²+(y+1)²=16

First step is to get rid of the square root. remember that a square root is the same as raising to the (1/2) power. see below: multiply exponents per exponent rules to get: remember you subtract exponents from the denominator and add exponents in the numerator so: simplify further: so a is the correct choice. if you don't understand this google exponent rules and it will you understand. look at the image results.

b

step-by-step explanation: sorry if not correct becaude my brother is loud and i could not think!

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