Solving Quadratic Equations

• take the square root of 8

• subtract 1 from both sides of the equation

• sing the school fight song

• add 1 to both sides of the equation

• 1

• 8

• 16

• 4

• take the square root of 8

• subtract 7 from both sides of the equation

• sing the school fight song

• add 7 to both sides of the equation

• 100

• 10

• 5

• 49

• 4 cm

• 7 cm

• 11 cm

• -11 cm

A rectangular city parking lot has an area of 1000 square meters. The length of the lot is 10 meters more than twice its width, w. The area is represented by the expression w(2w + 10), what is the width of the parking lot?

• 50 meters

• 10 meters

• 100 meters

• 20 meters