Write y = x2 − 4x − 1 in vertex form. y = (x + 2)2 − 5 y = (x + 2)2 + 5 y = (x − 2)2 − 5 y = (x − 2)2 + 5

The radical equation 2+√2x-3 = √x+7 has a solution set [x= a0} and an extraneous root x = a1.

Me! 50 points! why does when we come home, our door is unlocked and there is grease on the door knob, me solve this , and i don't know what category this goes under

The scale for a map is 20 miles = 1/2 inch. the distance between two towns on the map is 3 3/4 inches. what is the actual distance between these towns? 150 miles 38 miles 75 miles 135 miles