Quadratic Equations Discriminant

Tags

CCSS.HSA-REI.B.4B

• positive; 2 real solutions

• negative; 2 imaginary solutions

• zero; 1 real solution

• negative; 2 real solutions

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CCSS.HSA-REI.B.4B

How many solutions are there if the discriminant is positive.

• 0

• 1

• 2

• Infinite

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CCSS.HSA-REI.B.4B

The discriminant is

• aX²  + bX  +  c

• b - 4ac

• b² - 4ac

• b² + 4ac

Tags

CCSS.HSA-REI.B.4B

Find the discriminant of the following equation.

3x² -x- 2 = 0

• 5

• 25

• -24

• -26

Tags

CCSS.HSA-REI.B.4B

The (a)   is used to determine the number of solutions to a quadratic equation.

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CCSS.HSA-REI.B.4B

Find the discriminate of the following quadratic equation: 4x^2-5x-6=0

Mathematical Equivalence

ON

Tags

CCSS.HSA-REI.B.4B

What is the discriminant of this equation?

• 120

• 36

• 16

• -120

Tags

CCSS.HSA-REI.B.4B

If the discriminant is equal to 0, how many solutions are there?

• No solutions

• 1 Solution

• 2 Solutions

• Infinite solutions

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CCSS.HSA-REI.B.4B

Determine the value of the discriminant

x² + 7x + 13=0

• 101

• 3

• -101

• -3

Tags

CCSS.HSA-REI.B.4B