introduction to quadratics

What is the vertex?

What is the solution or root of the given parabola? Check all that apply.

• (-1, -9)

• (-4, 0)

• (2, 0)

• (0, -8)

In the Quadratic Equation 10x² - 4x + 5 = 2, what is the value of b?

How many pairs should be ordered for profit to be $1500?

• 20
• 100
• 20 and 100
• 40

Which equation best represents the graph?

What are the green dots called?

• axis of symmetry
• vertex
• parabola
• roots or x-intercepts

Given the following quadratic function, determine in which direction it opens.

y = 2x² - 7x + 13

• up

• down

• right

• left

What is the maximum maximum profit?

• 3100
• 60
• 2000
• 30

How many solutions are there?

• 0
• 1
• 2

How many solutions are there?

• 0
• 1
• 2