Name
Date
The quadratic formula and the discriminant — Homework
Compute the discriminant first as its own step, then finish with the full formula where needed.
- 1.Use the quadratic formula to solve x^2-2x-15=0.
- 2.Solve 2x^2+7x+3=0 using the quadratic formula.
- 3.Find the discriminant of 3x^2-2x+5=0 and state the number/type of solutions.
- 4.Find the discriminant of x^2+8x+16=0 and describe the solution(s).
- 5.Without fully solving, will 5x^2-3x-1=0 have rational or irrational real solutions? Explain using the discriminant.
🌲 Homeschool of the FutureEleventh Grade · Math · week 11 homework