Use the discriminant to determine whether each quadratic equation has two unequa

vestirme4

vestirme4

Answered question

2021-09-16

Use the discriminant to determine whether each quadratic equation has two unequal real solutions, a repeated real solution (a double root), or no real solution, without solving the equation.
9x230x+25=0

Answer & Explanation

Benedict

Benedict

Skilled2021-09-17Added 108 answers

Step 1: Given
9x230x+25=0
Step 2: Solution
Discriminant, D=b24ac
In the question,
a=9, b=-30, c=25
D=(30)24(9)(25)
=900-900
=0
When D =0, we get one repeated real root.

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