Solve by completing the square.p2−6p−11=0Write your answers as integers, proper or improper fractions in simplest form, or decimals rounded to the nearest hundredth.p= _____ or p= _____
Q. Solve by completing the square.p2−6p−11=0Write your answers as integers, proper or improper fractions in simplest form, or decimals rounded to the nearest hundredth.p= _____ or p= _____
Rewrite Equation: Rewrite the equation in the form of p2+bp=c.Add 11 to both sides to move the constant term to the right side of the equation.p2−6p−11+11=0+11p2−6p=11
Complete the Square: Choose the number to add to both sides to complete the square.Since (−26)2=9, add 9 to both sides.p2−6p+9=11+9p2−6p+9=20
Factor Left Side: Factor the left side of the equation.p2−6p+9=20(p−3)2=20
Take Square Root: Take the square root of both sides of the equation.(p−3)2=±20p−3=±20
Isolate Variable: Isolate the variable p.To isolate p, add 3 to both sides of the equation.p−3+3=±20+3p = 3±20
Simplify Square Root: Simplify the square root and round to the nearest hundredth if necessary. 20 can be simplified to 25, which is approximately 4.47 when rounded to the nearest hundredth. p=3±4.47
Find Values: Find the two values of p.p=3+4.47 implies p≈7.47.p=3−4.47 implies p≈−1.47.Values of p: 7.47, −1.47
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