8.9 - The Discriminant - HW Check

What is the discriminant of the following parabola?

• A positive number

• A negative number

• zero

What is the vertex of the following parabola? Write as an ordered pair.

What is the range of the parabola?

• $R:\left\{y\ge-3\right\}$

• (-2,-3)

• $R:\left\{y\le-3\right\}$

• x=-4.9 and -0.1

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.B.5

What was the discriminant for #2?

Tags

CCSS.HSA-REI.B.4B

How many solutions, or x-intercepts does #2 have?

• 2 solutions

• 1 solution

• no solutions

What was the discriminant for #4?

Tags

CCSS.HSA-REI.B.4B

How many solutions, or x-intercepts, does #4 have?

• 2 solutions

• 1 solution

• No solutions

Tags

CCSS.HSA-REI.B.4B

• 2 solutions

• 1 solution

• no solutions

Tags

CCSS.HSA-REI.B.4B