Honors Algebra 2
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HW #18 - Solving Quadratics using the Quadratic Formula
Solve by using the Quadratic Formula
Quadratic Formula:
1.
x2 – 2x – 24 = 0
2.
x2  12  0
3.
2x2  x  15  0
𝑥 = −𝑏 ±
√ 2
𝑏 − 4𝑎𝑐
2𝑎
4.
5x2  9x  2  0
5.
3x2  5x  2  0
6.
5x2  x  2  0
Solve by using the Quadratic Formula **Equations will need to be put in standard form first**
7.
4 x2  2x  7
8.
2x x  3  1
b g
1I
F
G
H 5J
K 3
9.
5x x 
10.
7x2  2x  2
b g
11.
bx  2g 2b5x  2g
13.
x2  5  2 x  3  4
12.
bx  12gbx  7g b3  xgbx  4g
14.
x2 
15.
3x2  11  2x 2x  1
2
b g
5
x 1  0
6