Chapter 2- Systems of Equations & Inequalities
The quadratic formula and the
discriminant
Student Name:
Date:
a) Solve Equations by using Quadratic Formula:
Q1:
x
Q2:
Class:
Short Quiz
2
− 6 x + 16 = 0
2
2 x − 25 x + 33 = 0
b) Find Value of the discriminant
c) Describe the number and type of roots
3x
2
+8 x + 2 =0
Munay School – Math Dep - T.Sujood Gharaibeh
2x
2
−5 x +3
Q3: Write the Equations in vertex form
y =x
2
−6 x +4
y = −3 x
2
− 2 x +1
Q4: Solve the Inequality by graph
y ≤x
2
M at h Com poser 1. 1. 5
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2
−6 x
y > −x − 2 x + 3
M at h Com poser 1. 1. 5
ht t p: / / www. m at hcom poser . com
y
x
Munay School – Math Dep - T.Sujood Gharaibeh
y
x
Q5: Solve the Inequality algebraically
2
x +3x + 2 >0
Good Luck
Munay School – Math Dep - T.Sujood Gharaibeh