Quadratics Expressions Worksheet Page 2
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8Name:
_ _____________________________________
Algebra 2
Quadratics Practice
Page 2 of 8
3.
Find the discriminant for each quadratic and use it to describe the number and type of solutions.
− x + 1 = 0
− 8x + 1 = 0
2
2
a.
b.
2x
2x
4.
Find the axis of symmetry of the parabola and determine if it opens up or down.
y = −x
− 7x + 1
2
7
7
7
7
x =
x = −
x =
x = −
A.
; up
B.
; down
C.
; down
D.
; up
2
2
2
2
5.
Solve the equation using the quadratic equation. You must demonstrate that you know the
formula! Show all setups and work!
2
2
a.
b.
19x
−10x +1 = 0
2x
+ 2 = −5x
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