Activity 1.4 You Complete Me! a. Find the missing value to make the following expressions a perfect square trinomial.
1. a2 − 2a + ___ 4. p2 − 5p + ___

2. b2 − 6b + ___ 5. x2 -2%3x + ___

3. m2 − 18m + ___
b. Solve for the following quadratic equations by completing the square.
1. x2 − 2x = 3 4. 2x2 − 9x − 5 = 0

2. x2 − 6x + 7 = 0 5. 3(x + 1)2 = x + 11

3. x2 −5x + 4 = 0

Which values for a and b will create infinitely many solutions for this system of equations? ax-y=8 2x+y=b

Stefano accidentally dropped his sunglasses off the edge of a canyon as he was looking down. the height, h(t), in meters (as it relates to sea level), of the sunglasses after t seconds, is shown in the table. during its descent, the pair of sunglasses passed by a climber in the canyon 6 seconds after stefano dropped them. to the nearest meter, what is difference in elevation between stefano and the climber? 166 meters 176 meters 230 meters 240 meters its b.176 i took the test 166 is wrong and 176 is correct

Hi, can anyone show me how to do this problem? 100 points for this. in advance