Quadratic Formula Decimal Solutions

Find the decimal solutions of the equation x^2 - 6x + 8 = 0.

• x = 0, x = 8

• x = 3, x = 5

• x = 4, x = 2

• x = 1, x = 7

Tags

CCSS.HSA-REI.B.4B

Tags

CCSS.HSA-REI.B.4B

Find the sum of the solutions.

5x² + 6x - 1 = 0 (use 2 decimal places)

• Use quadratic formula.

• Add the values of x.

Tags

CCSS.HSA-REI.B.4B

If the discriminant is positive, then the solution will be

• one real solution

• two real solutions

• two non-real solutions

• all real numbers

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 equal to 0, how many solutions are there?

• No solutions

• 1 Solution

• 2 Solutions

• Infinite solutions

Tags

CCSS.HSA-REI.B.4B

Tags

CCSS.HSA-REI.B.4B

CCSS.HSN.CN.C.7

Tags

CCSS.HSA-REI.B.4B

Use the quadratic formula to find the solutions for

y = -x² - 5x + 12

• No Real Solution

• 
• 
• 

Tags

CCSS.HSA-REI.B.4B

• -2, 4
• -8
• ±8
• No real solution

Tags

CCSS.HSA-REI.B.4B