Quadratic Formula with Rational Solutions

Solve Using the Quadratic Formula
 x² + 4x - 40 = -8

• -10 & -4

• -4 & 10

• -8 & 4

• 8 & -4

Tags

CCSS.HSA-REI.B.4B

Solve using the quadratic formula.
2x² - 9x - 35 = 0

• x = 7/2, x = -6

• x = -5/2, x =5

• x = -3/7, x =6

• x = -5/2, x = 7

Tags

CCSS.HSA-REI.B.4B

The discriminant is

• aX²  + bX  +  c

• b - 4ac

• b² - 4ac

• b² + 4ac

Tags

CCSS.HSA-REI.B.4B

If the discriminant is positive and a perfect square, then the solution will be

• one real solution

• two real rational solutions

• two real irrational solutions

• one imaginary solution

Tags

CCSS.HSA-REI.B.4B

• A
• B
• C
• D

Tags

CCSS.HSA-REI.B.4B

• ±1.5
• 1.5
• ±1
• No real solution

Tags

CCSS.HSA-REI.B.4B

Solve for x. How can you solve for it on the calculator?

Tags

CCSS.HSA-REI.B.4B

Solve for x

• 1/3

• -5.5

• 5.5

• 2.5

Tags

CCSS.HSA.REI.A.2

±1.5

1.5

±1

No real solution

• ±1.5

• 1.5

• ±1

• No real solution

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

Tags

CCSS.HSA-REI.B.4B