Quadratic Formula

Which of the following is used to find the discriminant?

• the quadratic formula

• b² + 4ac

• b² - 4ac

• the square root of b² - 4ac

• the square root of b² + 4ac

If the discriminant is a negative number, then you will have

• one real solution

• two real solutions

• no real solutions

• infinite solutions

Tags

CCSS.HSA.REI.B.4

If the discriminant is a positive number, then you will have

• one real solution
• two real solutions
• no real solutions
• one imaginary solution

Tags

CCSS.HSA.REI.B.4

If the discriminant is 0 you will have:

• no real solutions
• two real solutions
• 1 real solution
• 1 imaginary solution

Tags

CCSS.HSA.REI.B.4

Is the discriminant positive, negative, or zero?

• Positive
• Negative
• Zero
• Not sure

Tags

CCSS.HSA.REI.B.4

Is the discriminant positive, negative, or zero?

• Positive
• Negative
• Zero
• Not sure

Is the discriminant positive, negative, or zero?

• Negative

• Positive

• Zero

• Can't tell

Tags

CCSS.HSA.REI.B.4

Determine the values of
a, b, and c for
the quadratic equation: 
4x² – 8x = 3

• a = 4, b = -8, c = 3
• a = 4, b =-8, c =-3
• a = 4, b = 8, c = 3
• a = 4, b = 8, c = -3

For the following quadratic equation, what is the value of c ?

x² - 7x + 2 = 15

• 2

• 15

• -13

• 17

For the following quadratic equation, what is the value of a ?

x² - 7x + 2 = 15

• 0

• x²

• -7

• 1

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.REI.A.1

CCSS.HSA.REI.B.4