Analyzing the Discriminant

We found the discriminant of y = x² + 4x + 4 to be 0. How many real solutions does the function have?

• One

• Two

• None

Tags

CCSS.HSA-REI.B.4B

What is the discriminant of -2x² − x − 1 = 0?

• 76

• -7

• 9

• none of these

Tags

CCSS.HSA-REI.B.4B

What is the discriminant of 6x² − 2x − 3 = 0?

• 76

• 29

• 68

• none of these

Tags

CCSS.HSA-REI.B.4B

We found the discriminant of 6x² − 2x − 3 = 0 to be 76. How many real solutions does the function have?

• Two

• One

• None

Tags

CCSS.HSA-REI.B.4B

What is the discriminant and how many solutions would this quadratic have?

• -28, No Solutions

• 28, 2 Solutions

• 100, 2 Solutions

• -100, No Solutions

Tags

CCSS.HSA-REI.B.4B

We found the discriminant of -2x² − x − 1 = 0 to be -7. How many real solutions does the function have?

• Two

• One

• None

Tags

CCSS.HSA-REI.B.4B

For the function shown in the graph, is the discriminant positive, negative, or zero?

• Positive

• Negative

• Zero

• Not Sure

For the function shown in the graph, is the discriminant positive, negative, or zero?

• Positive

• Negative

• Zero

• Not Sure

What is the discriminant and how many solutions would this quadratic have?

x² - 6x + 9 = 0

• 0, No Solutions

• 0, 1 Solution

• 72, 2 Solutions

• -72, No Solution

Tags

CCSS.HSA-REI.B.4B

What is the discriminant and how many solutions would this quadratic have?

• -92, No Solutions

• 164, 2 Solutions

• -164, No Solutions

• 92, 2 Solutions

Tags

CCSS.HSA-REI.B.4B