Quadratic Equations

• ±72
• ±12
• 12
• No real solution

What is another word that describes the zeros of a function?  

• y-intercepts
• vertex
• x-intercepts
• maximum

If the graph of a quadratic does not intercept the x-axis at any point, then it has:

• 1 Solution
• 2 Solutions
• All real numbers
• No Solution

Solve: x² + 3x - 18 = 0

• x = -3 and x = 6

• x = 3 and x = -6

• x = -9 and x = 2

• x = 9 and x = -2

Tags

CCSS.HSA-REI.B.4B

What are the solutions?

• 0 and 8
• -2 and -4
• 3 and -1
• 2 and 4

Tags

CCSS.HSA.APR.B.3

CCSS.HSA.REI.B.4

CCSS.HSA.REI.C.7

CCSS.HSA.REI.D.11

For the function below, is the discriminant positive, negative, or zero?

___________

y = x² + 4x + 4

• Positive

• Negative

• Zero

• Not Sure

• -2, 4
• -8
• ±8
• No real solution

• -6, -2
• -2, 6
• 2, 6
• -6, 2

How many solutions can a system of linear and quadratic equations have?

• 0
• 1
• 2
• All answer choices

Find the vertex of 
f(x) = -x² - 4x + 12.

• (-2, 16)
• (2, 0)
• (2, 4)
• (-2, 4)