2.3 Compare Your Answers 3
Completion requirements
Compare your answers.
- A quadratic equation is given as
.
a. Use the quadratic formula to solve the equation.
Left sideRight side
3LS = RSLeft sideRight side
3LS = RS
b. Explain how the equation could be solved by factoring.
Rearrange the equation so one side is equal to zero. Factor using the
difference of squares method. Equate each factor to zero and solve for x.
c. Solve by factoring.
- Solve
using the quadratic formula.
Left sideRight side
16

16LS = RSLeft sideRight side
LS = RSÂ