Discriminant and Nature of Roots

Authored by Jeffrey Estores

Mathematics

9th Grade

CCSS covered

Used 81+ times

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15 questions

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FILL IN THE BLANKS QUESTION

5 mins • 1 pt

Find the discriminant of the equation below:
$3x^2-4x+2=0$

(a)

Tags

CCSS.HSA-REI.B.4B

FILL IN THE BLANKS QUESTION

5 mins • 1 pt

Find the discriminant of the equation below:
$4x^2+6x-1\ =0$

(a)

Tags

CCSS.HSA-REI.B.4B

FILL IN THE BLANKS QUESTION

5 mins • 1 pt

Find the discriminant of the equation below:
$25x^2+70x+49\ =0$

(a)

Tags

CCSS.HSA-REI.B.4B

FILL IN THE BLANKS QUESTION

5 mins • 1 pt

Find the discriminant of the equation below:
$14x^2+3x-5\ =0$

(a)

Tags

CCSS.HSA-REI.B.4B

FILL IN THE BLANKS QUESTION

5 mins • 1 pt

Find the discriminant of the equation below:
$27x^2-6x-16\ =0$

(a)

Tags

CCSS.HSA-REI.B.4B

FILL IN THE BLANKS QUESTION

5 mins • 1 pt

Find the discriminant of the equation below:
$4x^2-9x-1\ =0$

(a)

Tags

CCSS.HSA-REI.B.4B

FILL IN THE BLANKS QUESTION

5 mins • 1 pt

Find the discriminant of the equation below:
$5x^2-x-1\ =0$

(a)

Tags

CCSS.HSA-REI.B.4B

FILL IN THE BLANKS QUESTION

5 mins • 1 pt

Find the discriminant of the equation below:
$3x^2+11x-4\ =0$

(a)

Tags

CCSS.HSA-REI.B.4B

MULTIPLE SELECT QUESTION

5 mins • 1 pt

Determine the nature of roots of the quadratic equation below. Check the nature that are applicable.
$8x^2-2x-1=0$

real

rational

irrational

equal

unequal

Tags

CCSS.HSA-REI.B.4B

10.

MULTIPLE SELECT QUESTION

5 mins • 1 pt

Determine the nature of roots of the quadratic equation below. Check the nature that are applicable.
$2x^2+5x+3=0$

real

rational

irrational

equal

unequal

Tags

CCSS.HSA-REI.B.4B

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Discriminant and Nature of Roots

Find the discriminant of the equation below: 3x2−4x+2=03x^2-4x+2=03x2−4x+2=0 (a)

Find the discriminant of the equation below: 4x2+6x−1 =04x^2+6x-1\ =04x2+6x−1 =0 (a)

Find the discriminant of the equation below: 25x2+70x+49 =025x^2+70x+49\ =025x2+70x+49 =0 (a)

Find the discriminant of the equation below: 14x2+3x−5 =014x^2+3x-5\ =014x2+3x−5 =0 (a)

Find the discriminant of the equation below: 27x2−6x−16 =027x^2-6x-16\ =027x2−6x−16 =0 (a)

Find the discriminant of the equation below: 4x2−9x−1 =04x^2-9x-1\ =04x2−9x−1 =0 (a)

Find the discriminant of the equation below: 5x2−x−1 =05x^2-x-1\ =05x2−x−1 =0 (a)

Find the discriminant of the equation below: 3x2+11x−4 =03x^2+11x-4\ =03x2+11x−4 =0 (a)

Determine the nature of roots of the quadratic equation below. Check the nature that are applicable. 8x2−2x−1=08x^2-2x-1=08x2−2x−1=0

Determine the nature of roots of the quadratic equation below. Check the nature that are applicable. 2x2+5x+3=02x^2+5x+3=02x2+5x+3=0

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Find the discriminant of the equation below:
$3x^2-4x+2=0$

(a)

Find the discriminant of the equation below:
$4x^2+6x-1\ =0$

(a)

Find the discriminant of the equation below:
$25x^2+70x+49\ =0$

(a)

Find the discriminant of the equation below:
$14x^2+3x-5\ =0$

(a)

Find the discriminant of the equation below:
$27x^2-6x-16\ =0$

(a)

Find the discriminant of the equation below:
$4x^2-9x-1\ =0$

(a)

Find the discriminant of the equation below:
$5x^2-x-1\ =0$

(a)

Find the discriminant of the equation below:
$3x^2+11x-4\ =0$

(a)

Determine the nature of roots of the quadratic equation below. Check the nature that are applicable.
$8x^2-2x-1=0$

Determine the nature of roots of the quadratic equation below. Check the nature that are applicable.
$2x^2+5x+3=0$