Irrational Solutions Quadratic

The discriminant is

• ax² + bx + c

• b - 4ac

• b² - 4ac

• b² + 4ac

Tags

CCSS.HSA-REI.B.4B

• -5i
• 5
• 5i
• -5

If the discriminant is positive but NOT a perfect square, then the quadratic has:

• 1 Rational Solution

• 2 Irrational Solutions

• 2 Rational Solutions

• 2 Complex Solutions

Tags

CCSS.HSA-REI.B.4B

Solve x² - 5x + 10 = 0

• (5 - i√15)/2  ,  (5 + i√15)/2

• (5 - √15)/2  ,  (5 + √15)/2

• (5 - i√65)/2  ,  (5 + i√65)/2

• (5 - √65)/2  ,  (5 + √65)/2

Tags

CCSS.HSA-REI.B.4B

CCSS.HSN.CN.C.7

Solve for x:

3x² - 6x + 6 = 0

• x = 1± i

• x = 3, -6

• x = 4.8, 2.7

• Undefined

Tags

CCSS.HSA-REI.B.4B

CCSS.HSN.CN.C.7

The formula to determine how many solutions a quadratic equation is called the discriminant which is...

• aX² + bX + c

• b - 4ac

• b² - 4ac

• b² + 4ac

Tags

CCSS.HSA-REI.B.4B

What does the discriminant tell us?

• The maximum or minimum

• The y-intercept

• The number and type of solutions

• The axis of symmetry

Tags

CCSS.HSA-REI.B.4B

If the discriminant is equal to 10, how many solutions are there?

• 2 Real, Irrational Solutions

• 1 Real Solution

• 2 Real Rational Solutions

• No Real Solutions

Tags

CCSS.HSA-REI.B.4B

What is the discriminant and how many solutions would this quadratic have? 4x² + x - 4 = 0

• -15, No Solutions

• 65, 2 real irrational solutions

• 64, 2 real rational solutions

• -65, no solutions

Tags

CCSS.HSA-REI.B.4B

Determine the value of the discriminant and name the nature of the solutions for the following:

x² + 2x = 6

• 25 - 2 reals rational solutionsl

• -20 - no solutions

• 26 - 2 real irrational solutions

• 28 - 2 real irrational solutions

Tags

CCSS.HSA-REI.B.4B