1. What number will make this expression a perfect square trinomial? Show your work. x2 - 6x +​

Solve each quadratic equation by factoring and using the zero product property. 10x + 6 = -2x^2 -2

What is the slope of the line that contains the points (-5, 6) and (14. - 7)?

Acentral angle measuring 160 degrees intercepts an arc in a circle whose radius is 4. what is the length of the arc the circle formed by this central angle? round the length of the arc to the nearest hundredth of a unit. a) 4.19 units b) 6.28 units c) 12.57 units d) 12.57 square units