Quadratics No Real Solutions

If the discriminant is negative, then the quadratic has:

• Real Solution

• Real Solutions

• Half a Solution

• No Real Solutions

Tags

CCSS.HSA-REI.B.4B

If the graph of a quadratic does not intercept the x axis at any point, then it has:

• Real Solution

• Real Solutions

• Half a Solution

• No Real Solution

Tags

CCSS.HSF-IF.C.7A

Solve     4x² + 12x + 11 = 0

• -2.2 or -0.8

• -2 or -1

• 2 or 1

• No Solution

Tags

CCSS.HSA-REI.B.4B

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-REI.B.4B

If there are no real solutions, the discriminant is

• zero

• a postive number

• a negative number

• a perfect square

Tags

CCSS.HSA-REI.B.4B

If the discriminant is negative, then the quadratic has:

• Real Solution

• Real Solutions

• Half a Solution

• No Real Solutions

Tags

CCSS.HSA-REI.B.4B

When does a quadratic equation have complex solutions?

• When the discriminant is positive.

• When the quadratic equation has only one solution.

• When the discriminant is zero.

• When the discriminant is negative.

Answer explanation

A quadratic equation has complex solutions when the discriminant is negative.

Tags

CCSS.HSA-REI.B.4B

If the discriminant is negative, how many real solutions are there?

• 2

• 1

• 0

• 3

Tags

CCSS.HSA-REI.B.4B

• 0

• 1

• 2

• 3

Tags

CCSS.HSA-REI.B.4B

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

• Equal

• Irrational

• Rational

• Imaginary

Tags

CCSS.HSA-REI.B.4B