MCR3U1Unit2Day6MaximumandMinimum
Recall: there are three forms of a quadratic equation,
Standard Form
Vertex Form
2
2
y = ax + bx + c
y = a(x h) + k
y intercept is c
Vertex is (h,k)
Coord. (0,c)
Max. or min. value is k
and occurs when x=h
2
E.g. y = x - 8
MCR3U:Unit2Day9QuadraticWordProblems
To successfully complete a quadratic word problem, follow these steps.
1. Draw a diagram of the situation if necessary.
2. Create an appropriate let statement that answers what is being asked.
3. Create the quadratic e
MCR3U:Unit2Day9QuadraticWordProblems
1. The legs of a right triangle are inches. Find the hypotenuse.
2. The hypotenuse of a right triangle is 2 cm more than the longer leg, while the
longer leg is itself 2cm more than the shorter leg. Find the length of