Use the method of completing the square to transform the quadratic equation into the equation form (x + p)2 = = 9.
2x2 + 2x + 1= 0

What is the measure of x? 43° 86° 172° 344°

What is the next step in the given proof? choose the most logical approach. a. statement: m 1 + m 2 + 2(m 3) = 180° reason: angle addition b. statement: m 1 + m 3 = m 2 + m 3 reason: transitive property of equality c. statement: m 1 = m 2 reason: subtraction property of equality d. statement: m 1 + m 2 = m 2 + m 3 reason: substitution property of equality e. statement: 2(m 1) = m 2 + m 3 reason: substitution property of equality

Select all of the following expressions that are equal to 2.5.