Application of Nonlinear Equations

What equation represents the area of a rectangle?

• Area = Width × Length

• Area = Length + Width

• Area = 2 × (Length + Width)

• Area = Length ÷ Width

• x = -1 and x = 11

• x = 11 and x = 1

• x = -1 and x = 1

• x = -11 and x = 1

• Maximum height

• Initial value or starting point

• Time of maximum height

• Rate of acceleration

Which of the following is a key step in solving real-world quadratic problems?

• Isolating the variable

• Ignoring the variable

• Graphing the equation

• Using logarithms

How many solutions can a quadratic equation have?

• 1 or 2

• Only 2

• Infinite solution

• No solutions

• 18

• 5

• 10

• 0

• 9

• 6

• 3

• 12