Algebra 2 Review Quadratics

Which of the following quadratic equations best represents the following data?

• y = 7x² - 3x

• y = 3x² - 2x + 1

• y = 6x² + 3x - 2

• y = 7x² - 3x + 1

• A

• B

• C

• D

What equation best represents this data set? {(−4, −5), (−3, −8), (−2, −9), (−1, −8), (0, −5), (1, 0.5)}

The scatterplot and table show the weekly profit in dollars earned from the sale of pastries at seven different prices. The data can be modeled by a QUADRATIC function. Which function best models the data?

Tags

AI.9.8.B

• F
• G
• H
• J

Use the quadratic function below to answer the following question: How many x - intercepts does this function have?

• 1

• 2

• 0

• 3

Tags

CCSS.HSF-IF.C.7A

• Quadratic parent function

• Equation

• Polynomial

• Trinomial

• -1

• -4

• 1

• 0

• 4

• greater than or equal to

• -20

• Greater than

• Less Than

• Less Than or Equal to

• 5

• -5

• 20

• opens upward

• opens downward

• translated vertically

• translated horizontally