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The longer leg of a right triangle is 1 unit longer than the shorter leg. ... The Quadratic Formula. a = 1, b = 5, c = 10 Find the values of a, b, and c. ... – PowerPoint PPT presentation

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1
ALGEBRA 2 LESSON 5-8
Use the Quadratic Formula to solve 3x2 23x
40 0.
5-8
2
ALGEBRA 2 LESSON 5-8
(continued)
5-8
3
ALGEBRA 2 LESSON 5-8
Solve 3x2 2x 4.
5-8
4
ALGEBRA 2 LESSON 5-8
The longer leg of a right triangle is 1 unit
longer than the shorter leg. The hypotenuse is 3
units long. What is the length of the shorter leg?
5-8
5
ALGEBRA 2 LESSON 5-8
(continued)
5-8
6
ALGEBRA 2 LESSON 5-8
Determine the type and number of solutions of
x2 5x 10 0.
a 1, b 5, c 10 Find the values of a, b,
and c.
b2  4ac (5)2 4(1)(10) Evaluate the
discriminant.
25 40 Simplify.
15
Since the discriminant is negative, x2 5x 10
0 has two imaginary solutions.
5-8
7