Name:
Unit 8 - Pre-Assessment
Solving Quadratics
1.
Solve for x: 4x2  12  20
2. Use the Quadratic Formula to
solve: 2x2  7x  4
3.
Find the Discriminant and determine the
number of solutions: 4x  2x  10
2
5.
Graph by hand:
y = x2 – 2x – 8
Vertex: ___________
y-intercept: ___________
x-intercepts: ______ and __________
4. Use your graphing calculator to find the
solutions to the equation: y = -3x2 – 5x + 10