Question Solve the quadratic equation Solve using square roots Solve using the quadratic formula Solve using the PQ formula y1=−222,y2=222Alternative Form y1≈−2.345208,y2≈2.345208 Evaluate 4y2−7−15=0Subtract the numbers 4y2−22=0Add or subtract both sides 4y2=22Divide both sides 44y2=422Divide the numbers y2=211Take the root of both sides of the equation and remember to use both positive and negative roots y=±211Simplify the expression y=±222Separate the equation into 2 possible cases y=222y=−222Solution y1=−222,y2=222Alternative Form y1≈−2.345208,y2≈2.345208 Show Solution Graph