Quadratics Investigation

The discriminant is

• ax² + bx + c

• √(b² - 4ac)

• b² - 4ac

• b² + 4ac

Tags

CCSS.HSA.REI.B.4

____________

For the function above, is the discriminant positive, negative, or zero?

• Positive

• Negative

• Zero

• Cannot Determine

Tags

CCSS.HSA.REI.B.4

Which of the following quadratic equations have exactly one real solution?

• 5x² + 6x + 9 = 0

• -3x² - 7x - 12 = - 2

• 3x² + 6x = -3

• -4x² + 8x - 9 = - 5

Tags

CCSS.HSA.REI.B.4

A function has a discriminant of 25.

______________

How many solutions does it have?

• 0

• 1

• 2

• Cannot determine (not enough information)

Tags

CCSS.HSA.REI.B.4

____________

For the function above, is the discriminant positive, negative, or zero?

• Positive

• Negative

• Zero

• Cannot determine (not enough information)

Tags

CCSS.HSA.REI.B.4

Which of the following quadratic equations have two real solutions?

• -7x² - x + 6 = 6

• 4x² + 2x - 2 = 2

• 9x² - 6x - 3 = -4

• 9x² + 7x - 2 = 0

Tags

CCSS.HSA.REI.B.4

If the discriminant is positive, then the solution will be

• one real solution

• two real solutions

• no real solutions

• two imaginary solutions

Tags

CCSS.HSA.REI.B.4

____________

For the function above, is the discriminant positive, negative, or zero?

• Positive

• Negative

• Zero

• Cannot Determine

Tags

CCSS.HSA.REI.B.4

If b² - 4ac < 0, then the roots of ax² + bx + c = 0 are

• Equal

• Irrational

• Rational

• Imaginary

Tags

CCSS.HSA.REI.B.4

Which of the following quadratic equations have no real solutions?

• -4x² + 4x - 1 = 7

• -7x² + x - 13 = - 3

• 9x² - 7x + 11 = 6

• x² - 4x + 5 = 0

Tags

CCSS.HSA.APR.B.3

CCSS.HSA.REI.B.4