Use the discriminant to describe the roots of each equation. Then select the best description. 3x2 - 10 = 0. A) Double root B) R

Question

3 years ago

11

eal and Rational root C) Real and Irrational root D) Non-Real root

2 answers:

Arte-miy333 [17] · Answer 1 · 2022-09-09T02:44:22+03:00

6 0

The discriminate for number one is -3 the discriminate for number 2 is 41

Mademuasel [1] · Answer 2 · 2022-09-09T01:03:57+03:00

1. discriminant = b^2 - 4ac = (-5)^2 - (4 x 1 x 7) = 25 - 28 = -3 [imaginary root]

2. discriminant = (-5)^2 - (4 x 1 x -4) = 25 - (-16) = 25 + 16 = 41 [real and irrational root]

3. discriminant = (8)^2 - (4 x 16 x 1) = 64 - 64 = 0 [double root]

hope it helps